<human>: Recently I started dating a girl that I was friends with in High School, she means a lot to me, but there was one huge problem with it.  She dated my *best* friend for two years while we were in high school (she is one year behind us).  When she moved away for college she broke up with him.  We had continued to be friends chatting on face book and hanging out when we were both home.  This summer after opening up to each other we decided to start dating.  We both knew this would create problems because she is the ex and I am the *best* friend.  The next day I went over and let him know that we had decided to start dating.  He gave me some very light hearted words and didn't truly tell me what he thought.  That evening my girl friend got an email from him blowing up about the situation.  After bashing me and her I confronted him about it and he again wouldn't really tell me what he thought.  Now that school has started again I moved out to my apartment for college and he is back in our hometown doing community college.  We had a few more meetings before I left and he played it off.  Am I a bad person for putting him through this?

Give me the gist of the text in a nutshell
<bot>: I am dating my best friend's ex girl friend, a year after they broke up, am I a bad person?