She doesn't like what she's doing right now, so she's irritable. It's a thing, a thing he ought to recognize, though it's fine if he doesn't.

"Stop causing a scene in front of everyone." Calm, cool, she looks him over. "I never took it that way. I simply wanted to get away from the water. I'm suddenly not allowed to take your advice?" A look around the pool, then, and she closes her notebook, then turns toward him.

"And now you think you can help me."