Not feeling pain can have some really disabiliting effect on one's life. A rather famous player in the Counter-Strike community suffers from a rare genetic disease that make him feel much less pain than normal. He started to scratch his nose out of habit when he was a kid, and eventually it came off over the course of years of scratching. His name is lo0p__ : https://www.twitch.tv/lo0p__ Edit: You can see him explain…
https://www.reddit.com/r/IAmA/comments/4xmbu9/iama_16_year_o...