If we ever get decent human regeneration technology I'll be the first in line for self-mutilation just for the fun or experience of it. For some time now I've been wanting to experience pain just to know if I could handle it but not wanting to risk permanently damaging parts of my body.
Hey, don't look at me. I'm just a weird kid.
... What?? Hey! Put that down! Stop that! ACK! *hides*