Makes sense, if she was his sober companion, of course they wouldn't have any alcohol around the house.

"Well, I'd be happy to help you test that absinthe sometime. Or other things, I suppose," he says. He's enjoying her company. He might not have offered so freely back home - he can be pretty difficult to drag out for social activities sometimes. But it's not like he has a job to distract him or a kid to babysit, and she's the one he's gotten along with easiest so far.