After we were in bed for a while, the playing would begin. I did suck his cock a lot but, there was also some fucking done. Many nights I’d get it b...fore we went to sleep then, wake up to his rock hard morning wood. I kept a small jar of Crisco in my bedroom, along with some old towels, just for that. My mother was no dummy; she knew, almost from the beginning, that we were having sex. The evidence was spotted in my underpants and on the bed sheets, she’d found the old towels spotted with caked. So mom and I walked back to the barracks where I informed the CQ and brought my mom to the open bay where we stayed to get a change of clothes before we headed out. We drove back to the hotel where she was staying talking the whole way about what had been going on and how my training went, Then she asked what I wanted to do and I knew exactly what I wanted….A burger, a fat juicy burger and fries. We stopped at the McDonalds and picked up the food to go and continued to the hotel, she was. I loved the feel of his cock in my throat and had long ago learned to take it all in. I even found that having him cum while he was all the way in my mouth made swallowing a non-issue since it just ran down my throat. Opening my eyes briefly, I saw Ben watching me while he jacked off in the chair. He was hard again and I was sure he wanted in me.Getting out of the chair, Ben walked around behind me and rubbed my pussy, now soaking wet from both of our juices. That sent me over the edge. Longer and more drawn out this time, to the extent that I am not sure if she has come or not. One of her thigh's is shuddering and the cuffs are clanking against the headboard. Finaly she is shouting "Stop Stop!....please" gripping my head with her thigh's and twisting sideways, putting strain on my neck.I manage to clamber out from between her pale legs. I go in for a kiss and Beth pecks me gratefully, all around my mouth before sucking on my bottom lip, giving it a playful bite."Your turn.