Answer:
Everyone has me and no one can lose me. What am I?
In spring, I am gay in handsome array. In summer, more clothing I wear. When colder it grows, I fling off my clothes. In winter, quite naked appear. What am I?
I reach for the sky, but clutch to the ground. Sometimes I leave, but I am always around. What am I?
If you drop me I'm sure to crack. But give me a smile and I'll always smile back.
I'm a ruler with 12 agents. Half of them work in the darkness. Who am I?
Black we are and much admired. Many seek us if they are tired. We tire the horse, and comfort man, and turn White when we've fulfilled your plan.