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@mchapiro

Longitudinal studies of personality over time have shown some stability over a few decades. Predicting middle age from childhood kinda works. Predicting old age from middle age kinda works. But predicting old age from childhood not so much. In short, life experience happens.

I don't think 2 people disliking each other after 125 years would be inevitable, but they would be unpredictably different people after that amount of time.

https://qz.com/914002/youre-a-completely-different-person-at-14-and-77-the-longest-running-personality-study-ever-has-found/