Denny is right. It is pretty normal for a woman to need extra stimulation during intercourse to cum. Woman on top and doggy style are good positions to be in that allow you a free hand to stimulate you clit to bring you to orgasm. Good Luck!

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Put me on wheels and I'll turn tricks.

Clever? Nah, I ran out of that years ago. But if you find this, let me know, k?
"The road goes ever on..." ~ Tolkien

In memory of my friend skip...
Go then, there are other worlds than these