Pick me
There is an inherent magnetic attraction in picking scabs, and the relationship is probably inverse in some way. You see, it is possible that the larger the scab, the greater the attraction to flick idly at it with a vagrant fingernail, but it is also probable that the less easily the scab is willing to come off, the more one feels compelled to pick at it. It is probably a genetic compulsion, and therefore it is Not My Fault that my scab has come off (all right, I twisted it off), and I now have a disturbingly deep hole in my abdomen.
I suppose this is one of those too-much-information things...