system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why does it feel faster when coming back from somewhere rather than the ride on the way there?
gpt
If you're talking about going to an unfamiliar place, it's because the brain is processing a lot of new information and is thus more aware of itself and the passing of time due to its heightened alertness. On the trip back, the brain recognizes most of these cues, and is thus in a lighter stage of alertness and less aware of every detail.