Answer:
When young, I am sweet in the sun. When middle-aged, I make you gay. When old, I am valued more than ever. What am I?
score in end zones.
You buy me to eat, but never eat me. What am I?
I am black and white and full of fuzz
The more of me there is the less you see.
Give it food and it will live, give it water and it will die.