translation.en: Here's one more secret for you: Shaking someone's hand for six seconds dramatically raises the level of oxytocin in your bloodstream, now that's the trust hormone.
translation.zh: 还告诉你多一个小秘密： 和另个人握手长达6秒钟 会戏剧性的提高催产素在血液中的水平 它是信任的荷尔蒙激素