Well, I feel a little out of sorts just reading about the drama.
It sounds as if commitment does not come easily for either one of you. I don't think you guys are prepared for marriage at this point - even if each other is the love of your life.
I do think Anvilhead nailed it on the head - a few times.
You said you are in a quandary, but I'm not really clear as to why. I do not read between the lines respect, deep love, friendship. What is it that has you wondering about what to do? That his family is thrilled?
Just feeding some stuff back - sometimes it helps to clarify things.