I sensed Dave knew what my motives were but I did not have the slightest idea how to begin. Then I had a wild idea, Dave got up and unzipped so he could pee. As he was doing so I quietly walked up behind him, reached around and held his cock while he was peeing. He froze for a second, then just moaned. In no time his cock swelled in my hand. I dropped to my knees and licked his throbbing cock head. I removed his boots and jeans and moved him over to the picnic table. He sat on the table, and I sat on the seat. His hard, throbbing cock was inches from my hot mouth and he was nude from the waist down. .....