For centuries, humans have been searching for aphrodisiacs. The ancient Romans discovered the oyster, the Chinese trusted the tiger whip, and the Arabs were obsessed with the camel hump. In fact, the most powerful aphrodisiacs are in our bodies, which are the three "sex systems": sexual impulse, touch feeling and love. Each system plays an important role in promoting erotic desire. Scientists analyzed how these systems play a role in love and published it in the British magazine Psychological Monthly.

Sex drive: closely related to a series of hormones, such as male hormones. Increasing male hormone levels is the best way to increase sexual desire. Today, women with low libido can get male hormone prescriptions from their doctors. In addition, both men and women can also stimulate the secretion of male hormones through competitive sports or competitions. Competition affects women more than men. Sex itself can have a similar uplifting effect. Studies have shown that sex can increase testosterone secretion, so people will "want to do it more and more."

Touch sensation: Close skin-to-skin contact can increase trust, which is induced by oxytocin. Research from the University of Zurich in Switzerland shows that couples who use oxytocin-containing nasal spray are more likely to get along well and communicate actively than those who don't. It's also easy to naturally stimulate oxytocin by using more skin-to-skin contact, such as holding hands while watching TV or lying in each other's arms.

Love: Dopamine is the "catalyst" that makes people feel happy and promotes romantic love. Research shows that being creative, taking risks, or trying new things stimulates the release of dopamine in the brain. This kind of innovation is not just fun in bed, but also includes inventing a new dish, playing some games, or going to the park to ride a roller coaster.

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