[He's gotten good about keeping his mind to himself unless he's got permission, so he doesn't pick up on that and won't unless it becomes more obvious, or if she tells him it's okay to make psychic contact. So he just smiles a little apologetically, because, well.]

I think I can say fairly confidently that it won't be. There are quite a few people from worlds like ours on board, but from different points in the time stream and with fairly different personalities and histories.