Money apparently couldn’t buy love for The Beatles , but they were also under the impression that there are eight days in a week, so can we really trust them? And I’m not sure if we can blame it on the Beatles because it would be shallow and disgusting to believe that money could buy us happiness, right? Well, it turns out that maybe… it can. But not in the way you think.  The Happiness Plateau—is it real? Recently, I listened to a Planet Money episode that discussed the old idea that money can’t buy happiness, and it asked if psychological research bore that out. And, let me tell you, it was fascinating . You should definitely give it a listen.  First, they discussed the famous 2010 study by Nobel Prize winners Daniel Kahneman and Angus Deaton. That study found that higher household incomes actually do correlate with greater happiness, but only up to a point.…