A narcissistic parent can be defined as someone who lives through, is possessive of, and/or engages in marginalizing competition with the offspring. Typically, the narcissistic parent perceives the independence of a child (including adult children) as a threat, and coerces the offspring to exist in the parent’s shadow, with unreasonable expectations. In a narcissistic parenting relationship, the child is rarely loved just for being herself or himself. - Psychology Today

That is also what is demanded in relationships. The sentiment is to consider yourself privileged to interact with them. You are not allowed to have your own opinion but instead MUST agree with THEIR perceptions.