He was honestly expecting her to reject him, despite all they've shared in the last day or so. Maybe that's why, really, most people get sick of him at a certain point; but she doesn't seem to have had her fill yet. It's something he can't think too deeply about anyway with her tongue in his mouth. John looses a guttural sound against her lips, knowing that this union will have to be much quicker than last night, but there's a certain beauty to that as well.

John kisses her back until his lungs burn, sliding backward until he finds the edge of the tub. Once there, it's easy to pull her into his lap, taking a much-needed moment to breathe, his grip on her back becoming proprietary without his notice.

"Lucky for you I live for lectures." Always with the jokes, even when he can barely speak he's so out of breath, only losing more control when their hips slot in together. His head lolls back as he struggles to keep his eyes open already, the move once more exposing the angry mark she left him.