Answer:
I am easy to see but no one likes looking at me. Without me there would be no you. I can make you complain or make you happy. But you almost always take me for-granted.
I have Eighty-eight keys but cannot open a single door.
What has to be broken before you can use it?
Brown I am and much admired. Many horses have I tried. Tire a horse and worry a man, tell me this riddle if you can. What am I?
I have thirteen hearts but no body or soul. What am I?
I go in hard, come out soft. Blow me hard and I'll make a pop. What am I?