Kids like to wear band-aids. Give a four-year-old half a chance, and he or she will slap 'em on each knee, elbow, and shin.
Men like scars.
The gnarlier the better.
They like to display them like merit badges, prance them around the office to show all that they are still hunters, tribesmen, physical beings.
If you see a male you know with a fresh wound, do him a favor.
Ask what happened.
Yes, you will have to endure a long and drawn-out tale about the bar fight that went wrong or the rabid raccoon that had to be killed, but your inquiry just made that gentleman's day.
(And if the cut or puncture gets infected or goes septic, it is considered the gift that keeps giving).