system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why is it when I'm tired (or tipsy) my accent comes out?

When I'm more alert I don't have an accent.
gpt
It's like when a shape-shifter has to concentrate on something else, they tend to revert to their true form. 

It takes energy to fit in with those around us, even though we do it subconsciously. When we become impaired, our disguise starts to slip.