The rare life that is wisely lived has in it many good habits maintained and many bad habits avoided or cured…
— Charlie Munger
And the great rule that helps here is again from Franklin’s Poor Richard’s Almanack: “An ounce of prevention is worth a pound of cure.” What Franklin is here indicating, in part, is that Inconsistency-Avoidance Tendency makes it much easier to prevent a habit than to change it.
Also tending to be maintained in place by the anti-change tenedency of the brain are one’s previous conclusions, human loyalties, reputational identity, commitments, accepted role in a civilization, etc. It is not entirely clear why evolution would program into man’s brain an anti-change mode alongside his tendency to quickly remove doubt. My guess is the anti-change mode was significantly caused by a combination of the following factors:
(1) It facilitated faster decisions when speed of decision was an important contribution to the survival of nonhuman ancestors that were prey.
(2) It facilitated the survival advantage that our ancestors gained by cooperating in groups, which would have been more difficult to do if everyone was always changing responses.
(3) It was the best form of solution that evolution could get to in the limited number of generations between the start of literacy and today’s complex modern life.
It is easy to see that a quickly reached conclusion, triggered by Doubt-Avoidance Tendency, when combined with a tendency to resist any change in that conclusion, will naturally cause a lot of errors in cognition for modern man. And so it observably works out. We all deal much with others whom we correctly diagnose as imprisoned in poor conclusions that are maintained by mental habits they formed early and will carry to their graves.”