Do you still keep it contact? Since you have kept updated on her life, it's implied you still know her somehow. I'd suggest cutting off any contact. It would be difficult if you still love her, but it's kind of necessary by now. She cheated on you, and is now with someone else - it's not impossible that things could change, and it's true that people sometimes just make stupid mistakes, but if it hurt you that much the first time, imagine how much it would hurt if it happened again.
Time does heal, but sometimes it takes longer than others. Try to keep her as out of your life as possible, and continue to date and give other women a chance. You may find someone else who makes you feel even better just when you least expect it.
Have you considered seeing a therapist at all? You would have someone to talk out your issues to - some people find that that helps them recover. Even just finding anyone to really talk to might help. If you ever need an impartial stranger, feel free to message me. There are people out there who will let you talk out your feelings.