www.bbc.co.uk/bbcthree/article/cfecd6d6-35b0-4508-9315-be62a5cece42
But, she points out, it’s normal to become used to one sensation. “I see it most often in men with porn addiction,” she says. “They masturbate with their hand, sometimes for hours every day, which means that they find it difficult to climax when they’re having sex with a partner because it feels so different to what they’re used to. For a woman who uses the same vibrator every time, it’s a similar thing, your body becomes used to that one sensation, so new ones take longer to work, if they work at all.”