Most lives are lived by default
I don't like these kinds of posts, because they suggest that happiness is something just within our grasp, if only we did the exact right thing to grasp it.  In this case, it's suggesting happiness comes in part from questing to find major change X in your life that will change everything.But I think that's actually the cause of a lot of unhappiness.  It's a perpetual "grass is always greener" situation.  Say you go on this quest to find the best city to live in.  You find a good one, and you're not unhappy.  But you'll always have that doubt: "What if I had quested just a little more?  Would I have found an even better city?"  And that'll bum you out.  It becomes the anxiety of "what if".Happiness is being content with the moment you're in.  Having good health, a not-empty stomach, and a roof over your head is already a big step above a significant portion of the world's population.  Now this doesn't mean you have to become a mindless lump, barely moving from the couch and uninterested in even the slightest change; but it's a suggestion that perhaps learning to be happy with what you have, where you are, and with what interests you, is, in the long run, precisely what will make you happy.