As much as I want to applaud the wit here, the truth is that it really doesn’t - that phenomenon is quintessentially human. We (as a species) will go cognitive

As much as I want to applaud the wit here, the truth is that it really doesn’t - that phenomenon is quintessentially human. We (as a species) will go cognitive miles to avoid actually facing embarrassment or admitting to being fooled. Your thing might not be overpaying for a diamond and it’s unlikely you can see your own instance(s) but I’m sure you have seen it in others on the regular.