Oh right, he was drunk. He'd almost forgotten that fact. There was a reason for it, though. He hadn't originally planned on getting quite this tipsy, but it was too late to do anything about that now. He shrugs, figuring it couldn't hurt to tell Childermass something like that.

"When I drink I forget about things that are upsetting me." No big deal, he just wanted to forget stuff. He's sure everyone felt that way sometimes.