Buddies explore sex together

"Well?" he began to ask, "are you going to just stare or are you going to jerk off? Come on man, I'm already doing it and I'll be embarrassed for ever if you don't too!" He was almost pleading, his breath short and his hand increasing its tempo.

"Okay," I mustered, "check them out now!"

The girl in the window was now fingering the man's asshole. She was plunging what looked like two fingers into his ass, while she continued to kiss and lick the cheeks.

That was it for me, I dropped my shorts and began to jerk off, trying to match Scott stroke for stroke.

He was staring as intently as I had done and he spoke first, "great cock! It looks pretty long, longer than mine."

"Yours is thicker!" I exclaimed. We had both lost interest in what the couple was doing and were checking out each other's business, which made us both even harder. When we realized we were staring at each other, Scott was the first one to turn and look back down towards the window. The light was off and the drapes now closed.

"Well, I guess they finished," he said.

"I guess so, I'm about to finish too!" I said with a smile. "Oh man, me too! Here is comes now!" he exclaimed, closing his eyes and pounding his fist faster. 

I watched closely, and even in the dark, I could see the cum erupt from his fat cock. He shot four or five huge loads and then milked himself, draining several more drops from the deflating cock.

Seeing his first load fly out, caused me to cum. "Oh man, here's mine!!!" I announced. I too shot five huge loads, and then I milked myself as Scott had done, forcing two long strands of cum to follow the rest of my load onto the rocks. 

When I opened my eyes again, Scott was still looking at my cock and was smiling from ear to ear. "Man, that was awesome!" he said, "I don't think I've ever come that hard, maybe we'll be able to catch them again!"

"I know what you mean, my dick was killing me and I shot enough to paint a house!" I added. "We better get our shorts on and head back."

"Yea, but I got cum all over my hand, I guess I'll use my underwear to clean it up." Scott said.

I then realized that I had cum on my hand and one the inside of my thigh, so I thought I'd do the same thing. As I reached for my underwear Scott said, "hey wait, just use mine too, no since ruining two pairs, besides I can wash mine in the morning after mom goes to work."

I agreed then he handed my the underwear and I wiped my hand off on the inside, then cleaned my cock and thigh. Doing this caused me to start to get erect again. But then Scott did something that shocked me, and caused my dick to instantly become hard as a rock again. When I handed the underwear to him, he slipped them on! My cum was now resting against his cock and balls. 

"Ohhhh, that's a little cold on the nuts!" he exclaimed, then proceeded to put on his shorts.

"What the fuck are you doing?" I asked.

"Well, I can't stick them in my pocket, so why not wear them? Every time I jerk off at school, I shoot off in my underwear and put them back on. It actually feels cool, you should try it."

I guess it had not dawned on him that it was MY cum he had against him. We then headed back to the tent.

Curiosity

Chapter 2: The Tent

After getting back to the tent, Scott said, "I'm taking these off and switching to my swim suit, my cum is getting a little cold and sticky."

I decided to correct him, "well, actually, it's my cum."

"What?" 

I'm cleaned my cum up with the inside of your underwear. When you handed them to me, they were wet with your cum on the outside, so I turned them inside out and cleaned up with the inside. Sorry, I guess I should have said something." I was a little more than embarrassed.

"Oh, I thought when I took them off I turned them inside out, that's usually what I do." He laughed a little, "its okay, I mean cum is cum."

He changed, striping naked in front of me like it was something we did all the time. While he was naked, he walked over the cooler and wet a rag, then wiped the cum from his crotch, letting a yell about how cold it was. Then he put on his Speedo swimsuit.