“食色性也。”有人已把性生活与物质生活、精神生活并列为人类的三大生活。但对人类的性本能行踪,又众说不一。但这是一个回避不了的问题,否则人类认识自己、改造自己,岂不成了枉谈? “Food color is also.” Some people have sex life and material life, spiritual life as the three major human lives. But the human instinct to do whereabouts, but also different public. However, this is an issue that can not be avoided. Otherwise, will human beings become aware of themselves and transform themselves?