The phenomenon whereby we unconsciously overestimate our contributions or skills relative to other peoplex92s.

Not difficult to understand, because of course wex92re far more aware of what we do than what other people do. According to Jonathan Haidtx92s The Happiness Hypothesis, x93when husbands and wives estimate the percentage of housework each does, their estimates total more than 120 percent.x94

From http://www.happiness-project.com/happiness_project/2009/06/five-big-mistakes-i-make-in-my-marriage-.html