New evidence in economics and epidemiology seems to suggest that we care about other people’s weight as much as we do our own. It’s always more desirable to be slim – perhaps because it offers a better chance of finding a person to date or marry, or even faster job promotion. However, when the people we normally compare ourselves with become fatter, the cost of putting on weight for many of us reduces. Put simply, when other people around me become fatter, I don’t have to compete so much with them to stay slim.
manbetx20客户端下载 学和流行病学方面的新证据似乎表明，我们对他人体重的关注丝毫不亚于对自己体重的关注。人们总是更希望苗条一些——或许是因为这样更容易找到约会或结婚的对象，甚至能更快地升迁。然而，对于我们许多人而言，如果我们常常拿来和自己做对比的人变胖了，我们自己体重增加的成本就会降低。简言之，如果我身边的人变胖了，那么我不用太费劲就能比他们苗条。
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