Eli5: Why, if at all, does it seem like the years go quicker as you get older?

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I hear a lot of people making that remark, that the years go by quicker as you get older.
For me, at least, it seems like that’s only the case if nothing much changes in my life in that year.
To me, years seem to feel like they go slower if there’s lots of new/different things happening.

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Anonymous 0 Comments

As you get older, less things are new to you. The brain prioritizes focusing on new information, so when there is less novel experiences you literally save less of the memory.

Edit:

>Our brain encodes new experiences, but not familiar ones, into memory, and our retrospective judgment of time is based on how many new memories we create over a certain period.

https://www.scientificamerican.com/article/why-does-time-seem-to-speed-up-with-age/

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