Among the few things one can count on in life: the taste of McDonald's cheeseburgers, "I Love Lucy" reruns are still funny—and Barry Manilow never wearing out his welcome at the top of the charts.

Among the few things one can count on in life: the taste of McDonald's cheeseburgers, "I Love Lucy" reruns are still funny—and Barry Manilow never wearing out his welcome at the top of the charts.