More than anything, I wanted to stop, stand up and say, 'we must be done then, because I'm not going to fuck you'. My mouth opened, I waited for the words to come out, but to my everlasting shame, I pushed back on his cock, trying to orgasm. He let me fuck myself on his cock for half a minute, but as soon as I was close again he grabbed my ass and wouldn't let me move.

"I'm fucking you. I'm doing the work. Why did you stop me?"

"You need to say please. 'Please, sir. Please let me fuck my slutty cunt on your wonderful, hard cock'. I need...