Answer:
What's 3/7 chicken, 2/3 cat, and 2/4 goat?
When young I am sweet in the sun. When middle-aged I make you gay. When old I am valued more than ever.
Flat as a leaf round as a ring. I have two eyes but can't see a thing.
A large oasis in the desert. Come with cash and leave with none.
I am a mountain at night, meadow at day. What am I?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.