lately I have been doing ed injection I do right glute right delt left glute left delt then start all over I think i'm starting to get massive scar tissue on my ass it gets harder a harder to push the pin in my ass I sometimes get knots that are the size of marbles and today I had blood poor out of my ass after I pulled the pin out. do you think I lost most of the gear? what can I do to help this is this all because of scar tissue? what can help the knots?