An hour after take-off, Natasha's hands lid up my thigh towards my groin. "I want you to fuck me," she breathed into my ear, "I'm sore but I really need to feel you in my arse again."

"Bit of an anal addict," I replied with humour.

She kissed me softly. "I just love feeling you inside me like that. Want to fuck me there again?"

"I'll meet you there in a couple of minutes."

There's nothing particularly sexy about joining the mile high club. The toilets are tiny and cramped, certainly not enough room for two people. I eventually just sat down on the closed lid of the toilet, Natasha...