A fist colliding into your face..
At my age, damn near everything except the thing I want to be hard.
Being a one legged man in an *** kicking contest.
water, specially from the 10 meter diving board.
Anything you watch that is done by a pro!
Trying to get lucky with a girl that you accidentally called the wrong name - twice.
crowshaying & sewing.
an algebraic word problem
Getting my attention.