AdvertisementYou 2.0: Why We're Bad At Predicting Our Own Happiness — And How We Can Get BetterAugust 21, 2017Rhaina CohenRenee KlahrTara BoyleJennifer SchmidtShankar VedantamfacebookEmailDan Gilbert says we're not great at predicting how much we will enjoy an experience in part because we fail to consider all of the details. We think a visit to the dentist will be terrible, but we're forgetting about the free toothbrush, the nice chat with the dental hygienist and the magazines in the waiting room. (Getty Images)