Try an experiment. Start a conversation on any topic with your spouse or best friend. After you’ve been talking together for a few minutes, interject with something along the lines of: “Hey, what are you talking about? You’re a real idiot!”
Next, hasten to explain to your partner that of course, you didn’t  mean what you [...]

From time to time, we all get hurt - hopefully not physically, but at least emotionally - in consequence of some kind of offensive behavior on the part of another person. Sometimes, the offending party’s conduct is deliberate as well as malicious, sometimes deliberate but well-meaning, and sometimes just plain careless.
But [...]