At last! Girl power: The female orgasm can double heart rates, reduce sensitivity to pain, increase blood flow to the brain and increase happiness. The fantasies were as unique as the women. Others pictured more abstract sensual experiences, such as walking along a beach or imagining waves of energy moving through their body. Yet if you think this sounds a bit far-fetched, Jill Morrison, a year-old legal secretary, says otherwise. You have to totally relax, close your eyes, and think about what would bring you to orgasm.