Make the charitable assumption
It’s easy to make assumptions about other people. If someone is short with you, they might be a jerk. Or maybe they just lost their job, or lost a friend. It’s hard to know for sure, but if your initial thought is always that they must just be a jerk, that’s generally a bad outlook on life.
This also pulls in a bit of the idea of sonder, the realization that everyone around you has an internal life as rich and…