Well, snuggling girls isn't particularly new (and not exactly a bad thing), so he won't be trying to move away or anything. He's just sitting and remaining where he is- rather comfortably still, surprisingly.

He'll notice her hesitance, and now the conversation has kind of a weight to it. While he was curious - and maybe a little concerned - over what she means by that exactly, he'll just give her a reassuring smile.

"Well... this doesn't seem like a good conversation for a party. We're here to have fun, aren't we?"