[Two options, really. Be embarrassed and let her see that he's flush in the cheeks, or go with it. Deciding on the latter, he keeps turning with his palms covering his lower area, huffing with mild laughter.]

Vasquez, usually I wait until I buy a beautiful woman a drink before I start taking my clothes off around her.

[Gesturing to the bottle, maybe he thinks that he should have asked these questions before.]

What did I drink?