"I'm fine! I just got kinda too much into it all, hyahahaha!" He does raise his head. "But I probably should go and get to the couches for a while. The night's young and I'd like to stick around here until dawn so I better pace myself"

There's no way he's missing everything else. There's a lot of people to talk with and a lot to do. To be defeated by alcohol would be pretty shameful for someone who prides himself in enjoying this sort of event, that's for sure.