Whether he offered or not, she stepped into the bathroom without waiting for him to leave. As far as she was concerned, that was why doors were invented.

"Just next to the door," she called, starting the shower and peeling off her clothes. "I'll deal with it in the morning. If you want one-" At three in the morning- "there's beer in the fridge. I think."

Then she was in the shower. Nothing was going to stop her.