"Happiness cannot be pursued; it must ensue." So many of us who spend our lives searching for happiness never find it, while those who establish a pattern of (1)meaning, (2)purpose, and (3)strong personal relationships find that it usually comes to them as a by-product of these three things.
Face it: You're not likely to die tomorrow. What's keeping you from doing the thing you would most regret not doing.
Do it, and you will be on the road to fulfillment.