First Time I Swallowed Cum

In my younger, wilder days, I’d meet guys at the local ABS. Well, by “meet”, I mean I blew them through the glory holes. I didn’t want them in my booth or to go anywhere with them for personal safety reasons…I didn’t want to get my ass kicked or worse.
I’d go infrequently during the week…maybe once or twice, suck a dick, then head home. On the weekend, however, I let loose my inner slut. I’d usually suck anywhere between five and ten guys over the weekend. My personal best was fourteen, and my lips were raw when I finally got my fill.
I always spit, never swallowed. I didn’t mind the taste, but couldn’t bring myself to swallow a guys cum until I met Robby.
I was sucking a real nice cock through a glory hole one Saturday morning. He was about 6 inches, kinda thick, with a big mushroom head. I was really going to town on him, expecting him to explode in my mouth at any second when he suddenly pulled out of my mouth. On my knees, spit dripping from my lower lip, I was confused until I heard him say, “I’m coming over.”
A shock ran through me. I looked, and in the flickering light of the video saw that I hadn’t locked the booth door. I was clumsily scrambling to get to my feet, made difficult because of the wet slick floor, when it swung open and he slipped inside.
He was older than my 20 by a good decade or two, shorter than me, and seemed fairly fit. He hadn’t bothered to tuck his cock back into his pants, and it bounced slightly as I stared at him.
He really didn’t give me time to react, stepping up to me and placing his hand gently on the back of...