Natural Sex

The man is naked, in bed with another man's wife who is also naked. He presses his body against hers, moves as she opens her legs, and suddenly his bare penis is all the way inside her. She trembles, not in fear but in excitement and pleasure. A lot of people don't understand but he's single, horny, like guys that fucked her when she was single. His hard penis feels hot in her. The man is horny, he just want to be between a woman's legs. His focus is on her pussy, the pussy of a wife that lets him fuck. Her focus is on the hard penis of a man eager to fuck her. The both focus on the raw sexual pleasure they share.
It's what it's like for me and the divorced single man my husband and I accepted into our lifestyle. I never actually feel his sperm shoot in me but I do feel him ejaculate. I feel him climax and it triggers my climax. That's natural sex.