In what is becoming a tradition for us, my girlfriend invited her ex over to have sex on my birthday. As this was my 40th, she decided to be extra nice and let me have sex too! What you're hearing is the sound of me pathetically trying to "fuck" her, for about two minutes, while she made out with her ex, couldn't feel me inside of her, and I whimpered as I had to pull out and cum in my condom. Her ex got to fill her up for real, but thankfully she didn't get pregnant from it.