It's so easy to make friends with a cancer. They're proud of how quirky, crazy and random they are, so being with them is like having the permission to let out your weird side as well. Cancer rules the home and being with one definitely feels like coming home and being able to take off your (Capricornian) business suit and just relax. Capricorn is the polar opposite, ruling the "real world", your career and public standing.
Cancer is the tides of the ocean - just letting yourself be dragged with the stream. Capricorn is the goat climbing the mountain - it's effort and discipline. Cancer feels like coming home into your mother's arms. Capricorn feels like being under the judgmental view of a strict father. Capricorn feels like buttoning up. Cancer feels like popping buttons.
However, Cancer is not all good and sweet and hugs and smiles and rainbows and sunshine and cupcakes. And Capricorn is not all bad either - it takes a lot of pressure to create a diamond.
Crabs, however, are always protected by their shells, and will therefore stay soft and mushy on the inside. Like the child that refuses to grow up, take responsibility and be independent. The crabby, moody, needy baby, that guilts others for abandoning them is the undeveloped Cancer archetype.
In a way, this is an axis of time: Capricorn is ruled by Saturn (Chronos, god of time), a symbol for growing old and wise; and Cancer is ruled by the moon - the symbol of phases and cycles, the most ancient calendar! Cancer lives with the seasons of nature, with the phases of the moon, the menstrual cycle, and other natural ways of time-keeping.
Capricorn is all about man-made systems.
Capricorn is concerned with law, rules, manners, ethic codes, "should"s and "shouldn't"s, with "what will people think?"
Cancer lives by their own rhythm, inner cycles, and intuition.
In the end, as with all opposing signs - one can't exist without the contrast of the other. Opposites are the same, differing only in degree. You can't define "private" (Cancer) without knowing the contrast of "public" (Capricorn).
We have to flow in between these opposites.
Especially with many planets in Cancer and the 4th house or Capricorn and the 10th house respectively, you have to be aware of the contrast to avoid being too lop-sided.
When Neptune touches Mercury in someone's birth chart by aspect - conjunction, opposition, square, trine, or sextile - there are no limits or boundaries to someone's mind and imagination.
This means that they are very creative, full of ideas, and have a vivid imagination, but - on the downside - they could also go as far as "inventing" a false reality by lying or living in a fantasy in their own heads.
Head in the cloudsTheir mind frequently wanders to other realms, they space out and they have a hard time staying focused. Because they are quite absent-minded, there can be a lot of confusion, forgetfulness and misunderstandings. They have a lot of semi-conscious thought processes. Like a radio, they constantly pick up on many channels but have a hard time tuning into just one clearly, without background noise.
They are usually very subjective and, at worst, have difficulties distinguishing fantasy from reality. Their mental processes and way of thinking are frequently naive, childlike and unrealistic. They don't like accepting a mundane and logical explanation and long for a deeper more magical meaning, which is why they tend to dramatize things or connect a higher meaning to ordinary things ("that wasn't the wind, it was a ghost!"). That is why a lot of people with Mercury Neptune aspects are superstitious or gullible and easily conned - they want to buy into something unrealistic - it's more fascinating.
They often lack street smarts and common sense.
"Air heads"Especially the hard aspects between Mercury and Neptune - the square and the opposition - but also the conjunction (if Mercury is placed badly in Pisces, Sagittarius, or Leo) lead to learning difficulties or disabilities. Anything which follows rules or formulas - such as maths and spelling - is hard for them, but anything that leaves room for interpretation and creativity - such as art and creative writing - is their strength. They are not detail-oriented and don't like accuracy and precision. Their thinking isn't linear and they often have a bad sense of direction.
Another problem with Mercury Neptune contacts is that it can give someone a hard time finding the right words to express their thoughts or to make a clear point. They stumble over their own words or need a lot of time to find the right expression. Their minds aren't clear and straight-forward so they also struggle to know what their own opinion or stance on something is and to express that clearly. Their minds may be like a sponge, absorbing other people's words and opinions. If there's a writer, speaker, or any person they idolize, they might just repeat their words like a parrot. Very frequently, they adopt verbal quirks or "catchphrases" etc. of the people they spend a lot of time with.
Musicians, Actors, and WritersAs I already mentioned, Mercury Neptune aspects indicate great imagination and creativity. Although this aspect also has to do with lying, one could say that fiction and acting are positive manifestations of lying. Many great authors, actors, screenwriters and lyricists have this planetary combination - the square seems to be especially frequent among gifted musicians. Neptune rules photography and movies, any type of manipulation or glamorization of reality, so these people could also be very skilled at photoshop and the like. These people are able to channel the collective unconscious into music and stories. They also easily understand the messages their unconscious mind is trying to convey to them through their dreams and are good at interpreting other people's dreams too.
Some musicians with this aspect include David Bowie, Bob Dylan, Mozart, Jim Morrison (all have the square), Bono (opposition), Taylor Swift, Nicki Minaj and Zayn Malik (conjunction).
As for the actors: Jim Carrey has the square, Brad Pitt, Meryl Streep, and Emma Watson have the trine, Drew Barrymore has the sextile (which is especially fitting since she also played a character with short-term memory loss in the movie 50 First Dates).
Since Neptune dissolves any boundaries, these people might have the opposite of writers block: they constantly have inspiration to write and the words flow out of them with a bottomless supply of ideas, feelings, fantasies, stories, and thoughts to put on paper. For some it might lead to oversharing - there is no "filter", so these people are a lot like children in that they may say a lot of nonsense sprinkled with hidden gems of wisdom. So many great and succesful authors have this aspect, including Ray Bradbury, Neil Gaiman, Stephen King (conjunction), Oscar Wilde, F. Scott Fitzgerald, John Steinbeck (trine), Ernest Hemingway (sextile), Virginia Woolf (square), and C.S. Lewis (opposition).
During my research on Mercury Neptune aspects, I was amazed by how many of the greatest and most successful screenwriters have this aspect. Christopher Nolan has an almost exact square, David Lynch also has the square aspect, Steven Spielberg and James Cameron have the sextile, Wes Anderson has the opposition - that's basically all the great screenwriters of our time, excluding Woody Allen and Quentin Tarantino. But Woody Allen has a Sun Neptune square and Quentin Tarantino has a Moon Neptune opposition. So whenever there's a talent for coming up with stories, glamorizing reality and creating a fantasy, Neptune is definitely at play.
Advertisement, Journalism, and Propaganda
When Mercury and Neptune combine, there can be a distortion of the truth and it can show a talent for influencing other people and impressing ideas and thoughts onto their minds - in advertising, journalism, or newspaper reporting, for example.
A Mercury-Neptune aspect is great at leaving out anything which gets in the way of a well-rounded story and bending the facts so as to make the story more interesting or to match a certain agenda or make a certain point. This is great for journalism and newspaper reporting, especially for glamorous or scandalous tabloids or even propaganda. Perez Hilton has Mercury trine Neptune, for example, and he is one of the most well-known celebrity gossip bloggers.
This aspect also indicates a talent for advertising and selling, because somebody with a Mercury Neptune aspect can mold a product into whatever a customer wants and needs with their words. A good Mercury/Neptune archetype or trope might be the snake oil salesman, somebody who sells a "cure-all miracle product" - basically someone who can talk you into buying useless crap and make you believe that it is exactly what you need. If this isn't used for evil or egoistic purpose, this can of course be a great skill Some people with this aspect are able to influence or inspire others through their speech - such as Vladimir Putin (conjunction), Donald Trump, or Abraham Lincoln (both have the square).
In school, especially those with sextiles and trines and also those with the conjunction can successfully ace presentations without preparation and "bullshit" their way through essays by making it sound like they know what they are talking about and like they have an important and very meaningful point to make. Likewise, in art class they might just create something randomly but then come up with some very inspiring "meaning" or "message" on the spot when asked to talk about their piece.
Aries is like an eternal sunrise. They're the fresh, youthful, exciting energy of new beginnings. Their pioneering spirit pushes them to always jump head first into something new. Too impatient and spontaneous to wait, ponder, or stay anywhere, they want to keep on blazing trails. If something feels stale, old, or routined, they will leave to seek something else - something that is fresh and exhilarating. The cardinal fire doesn't stop for anything or anyone. There is something so simple and uncomplicated about this. They don't plan and they don't have ulterior motives. They simply want freshness, they want to be first, they want to win, they want to lead. Although this energy can seem very aggressive, egocentric and pushy, they would never attack those who are weaker (because where's the competition with that?) and they would never have evil motives. They simply do things because they want to. That's it. They never plan to hurt anyone (although they sometimes do), because planning simply takes up too much time, and all they are ever focused on is action. Aries wants so conquer. Preferably, uncharted territory (because they want to be first, after all). So, instead of sneakily taking something away from someone else, they simply go for what they want. Aries is the promise of new beginnings, the exciting freshness of early mornings, sunrise, the beginning of spring.