PERSONALITY QUIRKS... NOT!
Stage fright...not being able to pee in a public restroom when someone is standing beside you. Onychophagia Nail biting.
Involuntary Expression Disorder
Laughing at an inappropriate time like at a funeral.
How often have you heard a girl complaining that her boyfriend doesn't open up to her? "He won't share any of his deepest thoughts with me!" or "He just seems so distant!" or "My feelings and so forth. "Believe it or not, two out of those three complaints may be explained by an interesting little condition called alexithymia. Alexithymia is the term for not fully understanding and being able to express one's emotions.
A condition where the sufferer is enraged by normal, generally inoffensive sounds. These sounds can come from people eating, breathing, coughing or making any other everyday noise.
Oppositional Defiant Disorder (ODD)
Is basically the medical term for sticking it to the man. It is described by the Diagnostic and Statistical Manual of Mental Disorders as "an ongoing pattern of disobedient, hostile and defiant behavior toward authority figures which goes beyond the bounds of normal childhood behavior."