Answer:
A cowboy rode into Friday. He stayed in town for three days and rode back on friday. How is that possible?
I walked and walked and at last I got it. I didn't want it. So I stopped and looked for it. When I found it, I threw it away.
Lighter than what I am made of, More of me is hidden Than is seen.
I appear in the morning. But am always there. You can never see me. Though I am everywhere. By night I am gone, though I sometimes never was. Nothing can defeat me. But I am easily gone.
A certain wizard resided in a city made from this gemstone.
What is so fragile that saying its name breaks it?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?