"Anyway, I screamed when my suit flew open and I fell into the pool," she said. I was surprised she wanted to keep telling me the story while she masturbated, but I wasn't about to stop her. "And that's probably what you heard. I was going to come up here and get another safety pin, but the guys convinced me I didn't have to."

"How?" I asked.

"Well, I told them how I bought it when my boobs were a lot smaller, and that you thought it showed too much when it wasn't pinned. But they said that was crazy, it didn't show much more either way. I looked at...