Most Helpful Guys
I think that is a big step. Living together is a lot different than just dating. That's when you really find out how compatible you are with things when you are sharing living space and dividing up chores like taking out the garbage, grocery shopping, cooking, cleaning, etc. and being together almost all the time.
I personally wouldn't live with a woman I didn't think I wanted to be in a long term relationship, so if you're the first he's done it with, congratulations. I think you are very special to him.