Wow, they're all so hungry for sex. They really can't wait, the energy just goes out of them. With such a hard blowjob you might as well kill your girlfriend, you have to be careful with these guys. In two phalluses at once, that's what I understand guys in the shot, it's a double punch. They were really grinding all her holes, and the rate of grinding didn't drop until the end of the threesome.
My son always looked at his mother with lust. And here's a chance to take advantage of her. Anyone would want to be in his shoes.