[ It's the kind of permission he'll never get and perhaps it's cruel to even give this much when he knows that Jack sees him as someone he's not. Not that he cares — can't really care, with this lack of a soul — but it's still a dangerous game to play as is evident by his reaction when Jack finally crosses that tentative line.
Body going tense in the tight grip he clamps his teeth shut so quickly there's a definitely risk of blood being shed and then he pushes back, super-human strength aiding him in the escape. There's a misplaced shower of confetti from above — the mistletoe gods have been satiated — followed by the lack of a barrier that allows him to scramble back. If he could breath, it would be heavy and labored but as it is he'll have to settle for a heated glare. ]