Nice that they've actually planned this for once. The last few times they done this kind of thing have been a bit too spontaneous. He does his best to move off of Jack as he reaches for the supplies, accepting the water and painkillers gratefully. It's shocking how much this takes out of him physically, how thirsty he finds himself or how grateful he is for the pills. "You think of everything, as usual."
He sips at the water slowly, before adding thoughtfully. "I wouldn't mind trying more of this. Something besides just spanking, if you'd like. It feels good, like I've proven to myself I can actually do this sort of thing." As good as he's feeling now it's impossible to not share his thoughts and want to communicate more. All their discussions of it recently and it feels like this breaks down those barriers he has more than anything else. He's always so set on keeping his feelings to himself but this feels like he's been left raw and exposed in the best way possible. Catharsis was the right word for it.