My little brother, Bob (God be good to him), was a great guy. If he had one major personality flaw, though, it would be willfulness.
As in “You’re not the boss of me!”
Very simply, if there were something he wanted to do, by God, he was going to do it. And the best way to get him to do it was to forbid him to do it at all, or to express doubts that he could get away with it. I don’t know how much trouble — physical, fiscal and social — he got into over the years because he placed independence even over common sense.
Of course such an attitude has consequences, as does any principle pushed to an absurd extreme. And toward the end of his life he began to realize it. If you beat your head against a brick wall long enough, you’ll eventually figure out it hurts you more than it hurts the wall. “I can do whatever I damn well please” is a stupid, potentially self-destructive rule to live by unless you’re only pleased by Virtue in all its aspects … including humility and obedience.
It’s always easy to rationalize away a rule you don’t like; but rules don’t exist just to take away your independence of action. It’s easy to ignore or sass back an Authority Figure who tells you something you don’t like; but Authority Figures don’t say “Thou shalt not” and “Thus it is” just to indulge their control freakiness — occasionally, Authority Figures know what they’re talking about, and actually care what happens to you.