Exhibitionism. For and against

I do not understand why you do exactly as written in your nickname. What use are you?

practice, people like

Ass to mouth
There is nothing to understand. Exhibitionism is a deviant behavior, along with the same Pyromania, animal abuse etc. Though it at first glance, poses no social danger, however, is a sign of serious mental health problems. It is known that many sadists and serial killers engaged in this business before he began to commit murders on sexual soil. So it's not prank you.