Answer:
What has 4 eyes but can’t see?
When young, I am sweet in the sun. When middle-aged, I make you gay. When old, I am valued more than ever.
It doesn't live within a house, nor does it live without. Most will use it when they come in, and again when they go out.
Lighter than what I am made of, More of me is hidden Than is seen.
I love to dance and twist and prance. I shake my tail, as away I sail. Wingless I fly into the sky.
Special abilities and brightly colored underwear are all you need to be one of these.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?