Eh, there's a drinking age-- [a shrug] -- but a lot of people ignore that shit. Supposedly harmless if it's in small amounts.

[He doesn't elaborate if he drank small amounts or not. It's a non-issue in his mind, and just the truth of things.

More interesting to him is the information Yusuke volunteers, and his eyes fall on Yusuke as he sets out the silverware.]

Well, nothing wrong with that. Better safe than sorry, most parents would agree.

[... with some vague, yet careful curiosity:]

You an only child?