Most Helpful Guy
Sorry about that, Its tough feeling but what you're trying to do is wrong
You can't fight fire with gas, you 'll end up hurting yourself more than anybody else Unfortunately, you still making the pain continues on and on and believe me you 'll not be able to take any decision if you don't forget about him and the past
I know it tough feeling, but you have to take the next step in your life
its hard but you have to forget the past and forgive him
This does not mean you are a bad person, but It is mean, “I’m not going to let what you did to me ruin my happiness forever
take the next step and stop contact with him, unfriend him on FB, block his number , forget about past
the door in front of you to start new life, fresh dreams
Go out from your darkness, believe me there are a lot of beautiful things in this life you don't know about it
In the end its your decision to live a happy life or not
Most Helpful Girl
Where are your friends in all this? You need their support. This is where they're supposed to vent with you about what a scumbag he is, delete his number from your phone (or hold it hostage if necessary), and change your Facebook password so you can't get into it and do things you'll regret, etc. They stop you from looking awful when you can't do it yourself.
You also need to get out in the world and find fun and interesting things to do, to take your mind off of this. The more time you have to dwell and obsess the worse it will be.
Sorry that he was such an asshole, and that you're going through this. Hope things start looking up. Try to reach out to your friends to help.