This is my first attempt at erotic fiction and any feedback would be gratefully received. Please remember that this is fiction and not based on reality. I hope you enjoy!I'm Mark, a 36 year old partially disabled veteran who was born in the U.S. but grew up and was educated in England. I was always a very fit person, playing rugby for the school team, as well as karate, fencing and fell walking. Not to say I was some kind...