Save John Watson

John has had a rough life leading up to this point. He feels useless, and it's up to Sherlock to save John Watson in more ways than 1. Sherlock gives John reason to live, having a friend, someone to break on, someone to care and love him. Story of Friendship and love. Feels, fluffs, hurt, comfort. Johnlock, Teenlock. Trigger warning, mentions of suicide, hard home life, drug abuse.