Thetis had opened her mouth to say something along the lines of 'Excuse the hell out of you', but he followed that up with his next statement, and she closed it again. "You know, I don't even remember the last time I had my nails painted," she said, idly examining her hand. "Mostly because there are more important things to worry about."
Perhaps if she'd been paying more attention, she would have noticed the presence of Poseidon close by. But she wasn't, because despite what he thought, she didn't spend all day every day thinking about him.