Suspicions

"Hey, do you see Paul checking us out? Do you think he suspects that we're his best buds?"

"Judging by the way his swim trunks are tenting and the way he can't take his eyes off our tits, I'd say our secret is safe."

"Do you want to drive him even wilder by making out in front of him?"

"I have an even better idea. Let's slip some of the potion in his beer. Paul always said he wanted to see a lesbian three-way. Now he can take part in one."