I was talking to a friend of mine today, and we got around to talking about trust. I realized that trust can be a good example of hysteresis.
When you trust someone, they can do things that you might not agree with, but you’re still OK with them. Once they do enough of them, however, you no longer trust them. Now, their actions are viewed in a different light, and things they do that would have been OK before are no longer OK.
It even works the other way around. Neat!