He doesn't reply, simply allows her to drag him down to her level so she can kiss him once more, his hands settling of their own accord back at her waist to hold her close to him.

It should be obvious that he would permit her to do nearly anything to him, had he the freedom to do so.

As it stands, despite the sensible part of himself that is clamoring at him to return them to the party before someone notices their absence and goes looking for them, he allows her to distract him with sweet kisses, a soft slip of a sigh seeping out of him as his eyes close.