Happy Birthday Dad!

Dad shoved me against the wall, kissed me deep and dirty—tongue fucking into my mouth—then dropped to his knees, yanked my pants down, and swallowed my cock in one greedy motion.
*****
My dad’s 50th birthday was approaching, and I wanted to do something filthy and special for him. My mother had left him for another man a few years ago, and he hadn’t really dated since the divorce. According to him, it wasn’t worth the heartbreak. He threw himself into work and into being a good father to me, but I could see the loneliness sitting under the surface—and the way his thick cock still got hard when he watched porn alone at night with the volume low.
I moved in with him shortly after Mom left because we both figured it would cut down on expenses. Being almost 30, my dad and I acted more like best friends than father and son. We kept beer cold in the refrigerator, shared the remote without fighting, and spent most evenings on the couch in nothing but our underwear. Our cocks would slip out of the loose fabric all the time—mine average, his a solid seven inches of thick, veiny meat that hung heavy even soft. We never cared. It was natural. We never touched each other, though, because he thought it would be too fucking weird for a dad and son… and as far as he knew, I was completely straight.
On the night before his birthday I told him I had a surprise.
“What do you have planned?” he asked, eyeing me over his beer, that deep voice already a little rough. “You know I don’t like being unprepared.”
“You’ll like it, Dad. I promise. Just make sure you’ve got cash on hand.”
The next day he begged me over and over to spill it. That...