Hold on Just a Second…
It Turns Out I Was Speaking a Different Language.In the event that the two people had reached this point in their relationship, it would have been improper to send messages of that nature at this juncture. If he has only recently emerged from the restroom, the situation is even more precarious.

Even if he was washing his hands, which we know he was, that amount of time is not sufficient. Clearly, the simplest way to explain this would be to show the text thread that she was having with her roommate at the time. This is the kind of thing that can lend a distinctive flavor to a night out on the town. Make it so that you are completely embarrassed when he comes back from the bathroom.