“As threats crop up, groups tighten. As threats subside, groups loosen. Threats don't even even need to be real. As long as people perceive a threat, the perception can be as powerful as objective reality.” ThreatsObjective RealityTightLoosen Book:Rule Makers, Rule Breakers: Tight and Loose Cultures and the Secret Signals that Direct Our Lives Source: Rule Makers, Rule Breakers: Tight and Loose Cultures and the Secret Signals that Direct Our Lives