A lot of the time I would get up early and shower alone before the others were even awake.The time came when I finished all my training and was sent o...f to join my first ship. It was a frigate and we lived aboard like sardines in a can with very little privacy and there was no getting away from being in the corridors of the ship naked or with your towel around your waist waiting for your turn in the shower (there were no wrens aboard ships in those days).We were due to sail for Gibraltar and. . "Don't worry Mark, it happens to a lot of men.. " Mark was embarrassed into silence as the doctor ended his exam "Well, those are healthy.. And by the look of that hard cock so is that.." Mark felt his face burning as it flushed bright red, he trembled.. The doctor put his hand around his shaft and stroked slowly, so slowly, teasing Mark with every, little, movement.The doctor smirked and ran his thumb over Marks precum covered tip "That feels good, right?.." Mark nodded, biting his lip as. “Don’t ever switch from her ass to her pussy,” Becky said. “It could cause some nasty infections.”I nodded.“There’s a little bit more I want to teach you,” Becky said, “but this is a good place to take a break. I actually do need you to do a couple of handyman things today, so let’s get those chores out of the way. I’ll take you to lunch when you’re done and we can talk some more.”After a quick shower to wash the lube off our butts, we got dressed and I dutifully changed three or four. I could feel the heat as I was moving up. Now it was time to massage her ass. As I shifted the towel up, I was surprised by the view. She was wearing a string kind bikini, which was barely covering her ass hole.My dick was hard by now. I started rubbing and massaging her ass and eventually moved upwards to her waist and back. Her bra strap was coming in between. So I asked her if I can open the strap. She allowed me to do so. Now I was having a complete view and access to the back portion of.