> The characteristics measured by the test have almost no predictive power on how happy you'll be in a situation, how you'll perform at your job, or how happy y

> The characteristics measured by the test have almost no predictive power on how happy you'll be in a situation, how you'll perform at your job, or how happy you'll be in your marriage. Something that has a lot of predictive power about how happy you'll be: whether you spend your free time complaining that a tool for succinctly talking about personality types is "meaningless" just because it won't tell you how to be happy.