Answer:
When young, I am sweet in the sun. When middle-aged, I make you gay. When old, I am valued more than ever.
Reaching stiffly for the sky, I bare my fingers when its cold. In warmth I wear an emerald glove and in between I dress in gold.
A circle of stones, never in rows. Stacked one on the other, mystery it sows. What is it?
Two people are born at the same moment, but they don't have the same birthdays. How could this be?
I have five letters and people eat me. When you remove my first letter I become a crime. Remove my first two letters and I am an animal. If you remove my first and last letters I'm a form of music
I am rarely touched but often held. If you are smart you'll use me well. What am I?