[ Kaeya was just about to take a sip of water when Atsumu leans against him once more. Well, alright. He has to readjust his position so it's a bit more comfortable for him, but once that's done, he will go ahead and take that sip of water, thank you.

It's only after he sets it back down on the table that he responds. ]

Many of my drinking buddies complained about their hangovers quite often, so yes. Moderation is something you should keep in mind if you ever feel like drinking again.