When I play games with any aspect of my life, I like to have fun. When I start a hobby, talk to someone new, or buy a new thing its because I love doing it. I've noticed some people do things with people and things they don't quite seem to enjoy.

One of my sisters friend is sleeping with someone she doesn't like and beats herself up constantly in front of him and everyone else from what I've seen.

What im trying to ask is why do people do things they don't want to do to get results they don't want for themselves?