These 11 happy habits aren't created overnight -- they're part of a repertoire of behavior that form over time. So, if you want to be happy, mimic and build these 11 happy habits into your daily routines.
In all my spiritual wanderings, one of the principles that's sunk in is that the past is gone and the future is yet to be. I can only be where I am in this moment. To worry about anything else is to waste energy.