normal?

I'm not sure if this is normal or not but I'm not crazy enough to ask any body in case its not. so i might as well write it here. alright so i hate awkward moments a lot and yea i know everybody hates awkward moments but I'm not sure they do as much as me. when an awkward moment happens i have to hurt myself, i cant stop myself from doing it. i don't have to hurt myself a lot i just have to twist my fingers or wrist or foot till it hurts. i just have to do some small thing like that till i feel enough pain to distract me than i stop. i do it every time their is any awkward situation even if their is an awkward silence i do it. i also do it when i rethink of an awkward situation, i don't have to hurt myself as bad but i do have to cause pain. i truly have no control over it, i cant stop it no matter how hard i try. i guess it i had to compare it to some thing id compare it to people who have OCD. when they have compulsions and stuff and they just have to do it no matter how much they don't want to. iv done this for as long as i can remember so i just don't know if its normal or not. i really don't know if other people do it or if I'm just crazy.