It just seems like you forget very easily things like this, like you brain deletes the hours you just spent driving somewhere the moment you step down
In: Biology
Because your brain tries to preserve pertinent information, and discard anything that isn’t useful and would take brainpower to retain.
Because if your brain saved everything you experienced, it would have to sort through all of that when trying to remember something important. Your brain would be over encumbered with useless information and would operate much less efficiency.