"What idea?" Susan asked, still a little taken back by my mother's forwardness.

"Well, did you enjoy yourself last night? Is it something you would be interested in doing again?"

"Absolutely!" Susan said, "Why would I want to give up great sex like that? Fucking me again hardly counts as a great idea."

"Well there was a bit of a difference to be fair." Mom said, gently stroking Susan's arm.

"Which was?" She asked.

"That...maybe you could stay a while longer...maybe we could...share." Mom said.

"Oh!" Susan gasped. "And you agree? Ya know...you would be ok with that?"

"Yes. Actually yes." Mom replied. "Have you not ever wondered what it...