Andrew Huberman· PhD
The other thing you start to see is that people, and animals by the way, stop grooming. They stop taking care of themselves. Not necessarily stop showering, although oftentimes that's the case, but they will stop doing their hair, they'll stop putting on makeup. Depending on whether or not they did that before, they might stop. Animals will stop licking and grooming themselves. People will stop taking care of their cosmetic appearance.