"This might sound weird," she says, "but coming downstairs without panties and just climbing onto you without getting undressed... I don't know... it was such a turn on for me."

"I felt that too," I whisper into the phone.

"You did?" she asks incredulously. "Hmmm. I thought maybe it was just me. A quick fuck with our clothes on made me feel like such a slut...and I loved it!"

"Really?" I ask, wondering about what this says about my sister.

"Yeah... and then I wondered why that would turn me on so much," she says softly.

"Maybe we'll have to explore the more slutty side of you when I see...