Why wouldn’t you just take 1 from 7, add it to 9, and make it 10 + 6? That makes a lot more sense to my brain at least.

What about this is “bionic”? And what part of the brain is the “brain center”?

For hand washing, just develop a minor germ phobia from the covid pandemic. Now I wash my hands before I eat, after I get home from the outside world, and after I touch anything my mind deems “unclean”. It does of the side effects of dry hands.