Occasionally, I'll get an email from a reader who isn't asking for advice so much as they are asking for permission. And nine times out of ten, what they're asking for is permission to break up with their significant other... because they can't manage to convince themselves that they need to. One of the most perverse aspects of being human is how hard we fight against our own best interests. Our brains are prone to a host of psychological effects and fallacies that convince us that we s...