幸福的痕迹寻找幸福,科学家从幸福的化学物质开始。恋爱的人是幸福的。人们坠入爱河以后,大脑中会分泌天然苯丙胺——一种能够让人产生欣喜感的物质。但它的作用持续时间不长久,为了始终保持欣喜感,身体每天必须产生越来越多的苯丙胺。但2、3年后,身体达到极限,情人间的热恋期 Traces of happiness Looking for happiness, scientists begin with the bliss of chemicals. People in love are happy. After people fall in love, the brain secrete natural amphetamines - a substance that gives people a sense of rejoicing. But its role lasts long, and in order to always maintain a sense of delight, more and more amphetamines must be produced daily in the body. However, 2-3 years later, the body reached the limit of love between love period