Happiness is an interesting topic, because it’s a fleeting feeling more than a constant one. But there are underlying habitual processes that “generate” happiness or discontent. So as for how to be happier, it comes down to understanding key inflection points in the way you think.

The easiest way to be happier is to know what you’re doing right now and to focus on it (and only it).

This is not merely theory, it has been shown that wandering minds are less happy than those focused on their...