Even though my wife stopped fucking me a decade ago (menopause), she taught me well. You can do other things to keep your partner wet and wild until it's time to pop, then keep her going until you can go again. A good marathon session starts with the hands and fingers, moves to the mouth and tongue, and after delivering several healthy orgasms without penetration, she's more than willing to let you savor the VJJ as long as possible. Sometimes, when I am especially randy, I'll repeat the cycle, switching techniques to keep her guessing. By the time I get back to my own climax, hours have passed. Even the young ones are impressed.
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That said, I usually don't do this with AMP girls because many of them seem too sensitive down there, and they don't want manual stimulation.