Using a Judgement mental muscle in dealing with people tends to lead to a decisive lifestyle. (Judgement does not mean "judgmental" - that is something quite different). On the other had, using a Perception mental muscle tends to lead to a more flexible lifestyle.
	Bad Joke: A police office once made the error of arresting a judge who went to a party dressed as a convict. The episode taught the cop a valuable lesson - that you should never book a judge by his cover.