Pee

"Mom, how about we change tubes? I, uhh... really need to pee, and I could probably fill that tube in one go"

He watched his mother's look from his penis to the tube. "Honey, how are you gonna pee in the tube? It's behind you a little, you'll never make it"

"Do you think you can... like, push me that way?"

Heather said nothing for a while, trying to think of other solutions but ultimately coming up dry. Frankly, it didn't seem like they were getting out of this soon, and if she didn't... aim him... he'd probably end up peeing on her anyway.

"Hold on," she said. He watch on the monitor as she rose up to his cock, bringing her full breasts into his view for the first time. She pondered for a moment, and then tried to use her chin to aim him down and back a little.

It was the first time she had intentionally touched him, and the warmth of it excited him. He tried to relax, and for once his nervousness worked to his favor and he avoided going fully erect. Still, even as he tried pushing it out, something was wrong.

"I can't pee like that... you are bending it too far"