"A father who opens the door to his daughter when she comes home late might adopt a confrontational style, implicitly inviting a contrite response. But his daughter, feeling her agency being denied, pushes back, which provokes her father's anger. A power struggle ensues, until the conversation terminates with one or both stomping off to their bedroom. If the father had emphasised his love for his daughter, a conversation about acceptable norms might have developed. But doing so isn't easy, partly because children know exactly which buttons to press. 'I tell (the police), if you can deal with teenagers you can deal with terrorists,' says Laurence." -- from "The scientists persuading terrorists to spill their secrets" (2017-10-13), by Ian Leslie, quoting Laurence Alison