Answer:
When young, I am sweet in the sun. When middle-aged, I make you gay. When old, I am valued more than ever.
Voiceless it cries, Wingless flutters, Toothless bites, Mouthless mutters. What is it?
You seek it out, when your hunger is ripe. It sits on four legs, and smokes a pipe.
At first, I am nothing. Add something to negate. Add again to oppose. Add again to find the time to draw. Add once more to find nobody at all.
Whilst I was engaged in sitting. I spied the dead carrying the living
What did the piece of wood say when he saw the screwdriver and screws approaching?