insanity (n): a deranged state of the mind usually excluding various character disorders.
That's rather vague, isn't it?
Is insanity the good night's rest from knowing that all of the towel seams are aligned in the hall closet? How about the organization of the grocery list by store layout? Perhaps it is the daily polishing of the coffee table? Is it so wrong that I find therapeutic release in the chopping of vegetables?
Oh oh oh! I'VE GOT IT!
Insanity is knowing that each jelly bean in our antique candy dish contains 6 calories:

It's Hell being me.