That’s true, but they’re not even consistent enough to stay emotionally inconsistent. Particular feelings they’ll hold onto forever, never forgive you for causing, and throw them in your face whenever the opportunity presents itself. They’re terrorists, is what I’m saying.
Something good, that you've done repeatedly and consistently for years, that you forget to do once, turns into something that you never do.
Conversely, something bad, that you've never done before, that you do once, turns into something that you always do.