Most Helpful Girl
You will still have all those good memories, even if you make new ones. It's true, maybe you are both different people now, especially you since you've come such a long way, and things might be different than they used to be. I think you should contact him, if your relationship was as good as you say, I'm sure he would love to hear from you and know that you're doing well now. Don't think about dating him just yet, let things happen at their own pace. Besides, he might be dating someone, but it's possible that after everything you've been through you could at least have him as your friend.