Why am I losing respect for my parent?

Because you found out they were wrong about something you actually know, and the discovery is being spent more widely than the evidence supports.

The observation itself is usually sound. They were out of date on your field, or confidently wrong about a thing you'd looked into properly. What happens next is the part worth watching: the mind reaches straight past that one subject and starts auditing everything they ever told you, on the theory that a person wrong here was probably wrong throughout. That feels like clear sight from inside. It's one data point doing the work of a survey.

There's a measured pull behind it. Vern Bengtson and Joseph Kuypers called it the developmental stake. Parent and child want different things out of the tie, and the wanting shapes what each of them sees in it. The child's side of it reads the distance as wider than the parent's side does, reliably, across decades of data. So your estimate is running with a thumb on the scale, in a known direction.

No. That part is overdue and there's nothing to repair in it.

A child assembles a version of a parent that is larger than a person, because a child needs one, and that version stays standing for roughly two decades. Taking it down is what makes an adult relationship possible at all. You can't have a real conversation with an institution.

The failure is narrower than the whole business and easy to miss: the slide from a domain to a verdict. She made a bad call about that becomes she has bad judgment. One of those you can still talk to. And the mirror-image failure counts too, which is the part people skip. A parent frozen as the hero of your childhood and a parent frozen as its villain are the same exhibit, differently lit. Neither is a person you're currently in touch with.

What works instead: How to tell your parent the relationship has changed has the four moves, starting with keeping the revision the size it actually is. The longer argument is The Year You Became a Person to Them.