So, I got a good crack to the head from a sledgehammer today. DIdn't hurt really at first until I got up from the crouched position I was in. Then my body felt a pleasant euphoria...not really good, but not painful. I'm ok, the bump hurts, I'd give a pic but the ones I took don't show up well. Anyways, when your head is 6 inches away from a swinging sledge, make sure there is no animosity between you and the operator. Not that there was...or was there? He did crack my skull pretty good....good thing I have a very thick skull.