What would be the most interesting is option 3. This behavior is so apparent and pervasive in human interaction that it dominates other answers.
I don't know if that's true, but it would be interesting.
I don't know if that's true, but it would be interesting.
It's kind of funny how science has spent the last few hundred years proving everything we knew about the world was different from how we previously thought it was, but when science starts showing that we are mostly angry little animals we get all butthurt about it.