For one, when you put pressure on yourself to orgasm, you become more stressed about not orgasming, which only makes experiencing orgasm that much harder. It’s a treacherous sexual catch-22. So, you might want to consider taking orgasm off the table for a bit and stop making climax the goal of sex. Learning to give weight to sexual pleasure in and of itself, rather than holding orgasm as the pinnacle of sexual fulfillment is a beneficial practice, in general. If you take away the pressure, sometimes things just flow better and make the whole experience enjoyable.