"Sorry," she says, pausing with her bikini bottoms halfway down her legs. "I saw some other girls coming over and I was just trying to protect you."
Protect me? you ask. How?
"We have an unwritten rule here," she says soothingly, "that a girl doesn't interrupt another girl when she's with a guy, meaning you, of course, since you're the only guy here. All the girls are after you, you know..."
You summarize, asking her if she was only trying to look like she was teasing you then?