What is Forever?

"What is forever?" I must ask you my friends, "Is it now or later, does it have ends?" The answer scares me, no I cannot lie For it calls us to look beyond the sky Out there lies time and time we cannot know Even science knows not which way it goes But I know it moves, the present it allows Time is forever, forever is nows And as you laugh or watch a Broadway show Sing a doo-wop tune or kiss her real slow You've known forever, that eternal now Though time may fleet, you've been happy somehow And now that I know, here's what I must say: When you're happy, forever's everyday