Jackhammer

My boyfriend and I both spent a lot of time masturbating when we were young, and pretty much trained our brains to come only one way. He can only come from masturbating furiously, or sometimes from a marathon of jackhammer sex. A few years before I met him, I toned down the masturbating to retrain my brain and pussy and tried a bunch of new things, and I can now come from different acts and positions. It wasn’t easy, but I am so happy with this versatility. I’m starting to get annoyed that he isn’t working harder to overcome this jackhammering reliance. It hurts, it’s super boring, and it makes me feel like I might as well be an inflatable doll. We’ve talked about it, and he says he’ll masturbate less, and that does help (read: Now it’s a half hour of jackhammering instead of hours), but I’m still eager...