You'd made a good choice and it's impressive that you talked to him about this and both came to a decision. When sex isn't working it's always a good idea to back off the sexual side and concentrate on talking, being together, both of you trying to understand each other and yourselves better. If this is the guy you love and he's willing to learn, there's great hope the both of you can come to enjoy intimacy when you're more ready. Take care!