Paul simply sat back, not knowing what to say but obviously thrilled with the possibility of me stripping off my leggings. I think Dan may have told him about our love of exhibitionism, after all, they were life-long friends but it didn't really matter at that point. He was going to sit back and enjoy the show. I'm sure part of him couldn't believe his luck.

The guys were giving me their undivided attention when I slipped my finger inside the waistband of my leggings and started to pull them down towards my hips, revealing the thin straps of my thong. Paul probably thought this was only a practical joke,...