[ to say he’s comfortable with her would be a lie, but he is at least good at pretending to it. though he is wary of her in general, as he is of roughly everyone, she poses no physical threat to him, and that makes this somewhat easier. not hating her or particularly wanting to kill her are also helpful sentiments. she's peculiar indeed, but she doesn't quite interest him in that way.
the kiss is light at first, slightly subdued, before he tugs her a bit closer and parts his lips, testing to see how she responds. he has no interest in pursuing her, but this is all terribly interesting to him. one must make the most of an uncomfortable situation, after all. ]