Honestly if i was Finn id be uncomfortable in his situation, taking the whole gay straight thing out of it having to live with someone that has been crushing on you in the same way that Kurt has, would be extremely uncomfortable. Then also the fact that he wasn't really consulted on any of the decisions just kinda told and expected to like it would be a bit difficult as well. I think in many ways Kurt is just as much at fault as Finn was in this situation