Link: https://old.reddit.com/r/autism/comments/1tgboge/know_it_all_show_off/

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The original was posted on /r/autism by /u/Warm_Newspaper894 on 2026-05-18 04:19:21+00:00.

I've been called that since I was young. I lack a filter.

If someone is arguing with me and starts saying something different than what they told me, my mouth would open. I would CORRECT them.

I couldn't control it.

I would remember when they didn't, and I couldn't stop the truth from coming out of my mouth.

Multiple times I would get called this from my parents and get yelled at, with me choking back words and tears stinging my eyes.

It felt like everyday, I take a truth serum. I can't stop it.

I still have troubles to this day, but my sister tries to step in sometimes. ...it's better because my dad has gotten older with worse hearing, too.