Definition of insanity

What is the definition of insanity? The American Heritage Dictionary says "Unsoundness of mind sufficient in the judgment of a civil court to render a person unfit to maintain a contractual or other legal relationship or to warrant commitment to a mental health facility." Eh. I say blow the legal crap. Albert Einstein is credited with defining insanity as "doing the same thing repeatedly and expecting a different outcome." I do that. In seventh grade, the Martian and Kiele looked "insane" up and said I fit the definition (it's been so long I can't remember what it said). My uncle explained to me the difference between "psychotic" and "schizophrenic": Psychotics build castles in the clouds; schizophrenics live in them. And when I looked it up, it said that neurotics build the castles and psychotics live in them. I also found this website: Ah, Mental Health. How can we live on this Earth and not be crazy? To err is human, right? The brain is so big and confusing and complicated, something's bound to go wrong! And everyone has their own little form of psychosis. Yay! We're crazy! EDIT: AAh! I don't know, I just don't know what... I can't put my finger on it. What am I doing differently? Maybe the people here are A LOT different. I get strange looks now. Not that I didn't before, but now I get REALLY strange looks. It makes me feel bad. What am I doing? Am I hurting you? Am I upsetting you? Tell me! I don't want to be thrown out of my room again... I say something and the whole room gets quiet. What? What did I say? Did I do something? Do I have a piece of crap in my teeth? And they all look up like "what did you just say? What were you thinking?!" And I'm just thinking "What?!" and I feel like crying cause they all think I'm crazy, and not in a good way. Why do I care so much about what people think of me. I do these crazy things... Well, it depends, I'll get on top of the roof and scream "Long live The Beatles!" or go dumpster diving for a really cute band jacket from the sixties the school just happens to be throwing away. I'll even go up to random people and say hi or ask for a hug. But why do I care so much if Peter thinks I'm stupid or if Mr. Gus doesn't want to be my friend or if people are shocked by what I say? It's not the people, I do stupid things in front of them all the time. Is it the type of stupid thing?