Garrus doesn't say anything as she speaks, though the clamped mandibles probably served to guess what was on his mind. Did he.. screw up again? He didn't try to correct her, that'd.. probably be a bad idea.

Instead, he turns around and follows her, noticing she may have just taken in a little too much of her drink. Oh, Shepard.

"I could... dance with you?" Garrus stop what are you doing.

This is a bad idea.