[Castiel doesn't have the love affair with beer that Dean does, so he doesn't particularly mind. He's been told that pills and alcohol are a bad mix, and he has no intention of doing any further damage to his body.

The dragon is getting nice and comfortable and while the weight is enough to make breathing slightly more difficult, they've managed to make it work.

He takes a sip of the water and then sets it down on the floor so it's easily accessible, letting out a sigh. If Dean's going to ask about his hand every twenty minutes, Castiel's going to get annoyed very quickly.]

It's fine. The medicine is helping. If we can teach it to not do that again, then we should be set to study it by tomorrow.

[Sam is going to have to do a lot of the hands-on stuff for obvious reasons, but Castiel still wants to be a part of it.]