Who the hell makes a one lap pool?

Jayne had crashed into one of the walls . He approached Simon's medical room and paused. He and the new crazy were arguing about something. The doc looked pissed. Brink was bewildered with another shiner.
"Beyond carrying her, I haven't touched your sister!"
"She's showing symptoms of pregnancy! She's not alone with many men! You can't just pretend she's Bennet because of her good nature!"
"She hates it if I even think of Bennet whe I look at her! Listen Doc, I haven't tainted your sister! It occurs to me she's a psychic. A powerful psychic. What if someone else here is pregnant?"
"Inara hasn't had a client in weeks and Kaylee and I use protection!"
"Thats a mite more then I wanted to know." Jayne commented as he entered. "I need an Ice Pack and I think Zoe has food posioning. Heard her puking in the bathroom."

Jayne went into the freezer and blinked when he realized they were staring.
"Whut?"