She lifts her leg a little as she reaches behind herself, taking and stroking Lauren's cock. She lifts her eyebrows, positioning him against the slick backmost part of her vulva. She knows it might be difficult, but she did pretty alright last time, even if he was only 3/4ths of the way hard, at the time.

"Slowly," is all she says, very quietly. She wonders if he'll fuss, or eagerly oblige for the sake of slating his own arousal. Neither choice is the wrong one, she thinks—but she enjoys taking notes on her companion in these situations.