Lauren's mom walked out of the sliding-glass doors. Our little lifeguard asked her if she wanted something to drink. She declined. Sara returned to her seat - and her phone.

"What's up mom?" Lauren asked.

"Are you all naked?"

"Yes," she replied.

"Doesn't that bother you?" she asked Sara.

Sara glanced at us and looked back at her and said, "No."

"Your father is naked," she said.

"So is Lauren. Does that bother you?" Sara said.

"Well, no," the woman said.

"It doesn't bother me either," she replied. "It's not like dad's swinging it back and forth in my face - they're just playing in the pool.

She turned her...