A father - and son-in-law will rarely be as tightknit as a father and son .

岳父与女婿的关系很少能做到像父亲与儿子那样亲密无间。

Bill george , a professor of management at harvard business school has written books on his " true north " philosophy , which involves meeting with peers who , over time , form a tightknit emotional support group .

比尔•乔治是哈佛商学院（HarvardBusinessSchool）的管理学教授，他写过关于其“真北”哲学的书，里面讲到和同行会面，最终形成一个紧密的情感支持小组。