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许多人只感受过性爱给人生带来的乐趣。而不知性爱与健康有着某种因果关系。研究结果表明:美妙的性爱令人容光焕发,甚至可以留住青春。性可以提高自信心人类性爱研究专家威尔逊指出,定期的性生活表现出你和你的伴侣互
Many people only experience the fun of sex brought to life. I do not know sex and health have some causal relationship. The results show that: a wonderful sex radiant, or even to retain youth. Sex can improve self-confidence Human sex research expert Wilson pointed out that regular sex shows you and your partner each other