Actually that's literally what your brain does according to modern understanding. It flushes the cache (short term memory) once your context changes (switching rooms).

https://www.scientificamerican.com/article/why-walking-through-doorway-makes-you-forget/

I blame years of heavy pot use that has permanently changed how my memory works

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hahahah i would agree to this! and we our memories are like gigabytes so when we don't have enough, we have to repress some to make room for new memories

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