Odds are if he was able to at least say that, then he's definitely working on moving on, which means things are looking good for you. At some point in life you have to start thinking about your own happiness. You mentioned that he said "He didn't want to ruin our new-found relationship. It's a common scenario and I wouldn't hold it against him if I were you. It's not the easiest thing in the world to get over a crush at that age, and this sort of situation doesn't make it any better, hence why he wasn't completely honest with you from the get-go. Unless there are more details that you haven't shared yet, the worst thing you can do right now is to threaten your relationship. Friendships, like relationships, are not a one-way street.