the former is essential to rationality while the latter is merely obnoxious.
Your spouse insists X. You remember !X. What is the rational course of action?
(Hint: it does not involve scope neglect.)
I can (a) present my recollections and try to collaborate to find an agreement; (b) just nod and accept X as the agreed-upon finding; (c) insist that !X, using all the art of persuasion I possess; I will choose the course of action which I believe will lead to a better marital life (this includes long-term consequences and personal stress as factors). [Sidenote: I do have a preference for relationships in which (a) tends to be the best choice]
In any of these cases, I keep track of my own estimate of P(X), adjusting it as appropriate during and after the ex...
On Quora: What are some stupid things smart people do? Examples of common types of stupidity that are typical of otherwise very smart people.
Lee Semel's answer in particular would make a great post here: a "to don't" list. You may wish to go through and identify the cognitive bias or biases each is an example of.