When I was a kid I would pick at my scabs and re-open wounds on purpose. I just liked how it showed that I didn't fear getting hurt. My proof that I wouldn't let anything get the better of me.
Maybe it was all of the 'Xena: warrior princess' episodes I watched. I dont know.

I still check if theyre still there. I still brag about how I got them to everyone, even if it wasn't asked. Even the silliest ones. The one on my wrist from a scared antisocial cat, whom i gained the trust of in the end.

The one on my head which required three stitched, given to me by my brother when throwing a ping-pong racket at me. He felt so guilty that gave me his favorite game, and tried to pay for the hospital bill.

The ones on my knees from when I fell of my skateboard and broke my computer on my way to give a class presentation. I had recieved a perfect grade after having talked to a class who stared at my ****** and shaky knees.
They had all hurt, but each one has a lesson, and a dear memory. Never to be forgoten.

And why try?
Even the ones that you can't see will remind you. The broken bones and the torn muscles. They all leave a subtle mark of their existance.