Insane

Insane is a mental trait in The Sims 3. First available at birth. ''Insane Sims respond to events in life unpredictably. They say what they want, do what they want and even wear what they want. Even if it doesn't make sense to anyone else.''

Attributes

 * When choosing clothes, your Sim picks what feels right, and not neccessarily what is right.
 * Sim makes decisions on a whim!
 * Sim's wishes may not always make sense.
 * Provides a bonus to Sims writing in the Auto-Biography genre.

Unlocked interactions

 * Fish in swimming pools.
 * Friendly
 * Catch anything?
 * Speak Madness
 * Tell ghost story
 * Talk about conspiracies

Player notes

 * Sim's response to a marriage proposal will be random and not based on relationship level.
 * Insane Sims are not affected by ghosts.
 * Insane Sims can talk to themselves for social mood benefits, and to alleviate the Lonely moodlet.
 * Insane Sims can create distorted paintings using Paint Stylized Still-Life.
 * Insane Sims will autonomously sit on a toilet or in a bathtub without using it.
 * Insane Sim will have fun talking to themselves.
 * The Speak Madness social interaction will creep-out Sims but will entertain other Sims with the Insane trait.

Examples of insane Sims in The Sims 3
Gus Hart, Dorie Hart, Meadow Carpenter-Rhodes, Hunter Cottoneye