Happiness is a Choice, So Choose It!
There are some people who seem to think that happiness is the result of all the right wheels turning at just the right time. You’re walking down the street, find twenty dollars, get a compliment from a stranger, meet the perfect guy or girl (and don’t totally make a fool of yourself), go to your favorite store and get 50% off, etc., etc.
It’s easy to be happy when everything seems to be going your way, but I think that defining happiness that way reduces it to a byproduct of luck, or an accident, which it is not. In fact, I might even argue that luck is a byproduct of happiness, if I was in a particularly feisty mood.