Is it really so crazy to be all "Netflix and chill?" From him after three weeks of dancing around it? He probably thought it was time to make a move. At the very least I don't thinks it's that far out of left field. As for dating, how are you not dating after all this time and all the chats? In any event its pretty clear that you aren't interested. He will most likely give up soon if you don't have a straightforward conversation about what yall are doing.