She's not been properly trained. Finishing you off with her hand or mouth is the proper reaction.
During the late stages of her pregnancy, my wife even offered to get me a Fleshlight, among other things. She made sure that I was taken care of, I'll give her that.
That's why it's important to introduce porn and jerking off in your sex routine as early in a relationship as possible, especially if you have anything to do with this industry. If they have problem with it, you can dump 'em quick.
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