AIBU. My oh sister wants to bring her boyfriend to stay,none of us have met him he's from America they met on Xbox. I have two dc and would never encourage them to talk to people online. Oh sister has only met him once nearly 12 mths ago, he stayed with her and in-laws and wasn't able to share a room. I have little room and they would have to share. Oh thinks it's fine but he may not actually be here and I feel uncomfortable about it all.