I totally know how you feel. We have a brother in our hall who sounds exactly like the brother you are talking about. His wife isn't a Witness either, and he's always saying stupid stuff. For examp...

yeah i try to be as vague as possible with him - i mean even to the point of a little jabbing sarcasm in the hopes he gets what not to ask and what not to say. But a friend of mine said that maybe ...

Yeah....I know people like that. You just have to keep acting a certain way towards them, and hopefully they get the hint. I'm sorry he made you feel bad, though. Here....I'm sending you a hug via ...