Tell her to drink it

"Why don't you see for yourself?" You ask.

"What do you mean?" She replies, confused.

"Drink it and have the most intense orgasm you've ever had."

Caitlin picks up the sample cup and swallows the whole load. Her face turns red and she begins convulsing and moaning. She drops down to her knees and begins screaming euphorically. After a few seconds she lies down on her back and tries to catch her breath. "Wow.." She says. "That was... amazing."