I couldn't resist the temptation any longer. My girlfriend had been begging me to show her how to lift weights, and I knew it was the perfect opportunity to turn up the heat in our relationship. As she struggled with the dumbbells, I couldn't help but admire her toned body and perfect curves. With each lift, she would let out a soft moan, driving me wild with desire. And as our workout came to an end, I couldn't wait any longer. I grabbed her by the waist, pulled her close, and whispered in her ear, Let's make a very hot sex video together.And just like that, our first time lifting turned into an unforgettable night of passion and pleasure.