When I was working on Eye of the Beholder, I played a character who is so aloof that my whole lifestyle became very aloof. If someone knocked on my door, there was a part of me that went into a rage, because I wanted to be isolated and alone. ↗
I would say any behavior that is not the status quo is interpreted as insanity, when, in fact, it might actually be enlightenment. Insanity is sorta in the eye of the beholder. ↗