if you are making positive / negative traits of signs make sure they are constructive and not blanket statements like "too mean" or "snobby." expand those statements, make them actually apply to astrology rather than writing a diary about how much you hate a sign
alternatives for describing gemini's negative traits without using "bipolar"
-sporadic
-doesn't like to narrowly concentrate on one thing
-tireless
-comfortable with situationships but may be awkward in more interpersonal and intimate ones
-TOO many hobbies