I often emphasize the importance of urgency in prioritizing happiness. If you look at the science of time perception as well as direct experience of it — we see that time moves by faster the older we get. So there is good reason to believe if you are 25 you’re already in the “3rd Quarter” of your life. If you are 40 or older you are in the “4th Quarter”.

See “The 3rd Quarter”.

The 3rd Quarter