The readings tell us that God will call for our lives when we least expect it. And that will be true for each and every one of us.
Psychologists tell us that it is common to our human nature to deceive ourselves into thinking we will go on and on. They say that since existing is all that we have ever experienced, we cannot really imagine not existing.
This deception is a harmful thing for us. Since our happiness comes from our accomplishing everything worth while of which we are capable, we lose out on that happiness if we put off until it is too late in doing what we need do do to be happy.