Answer:
I can be sweet or sour. I do not rhyme with any other word
You bind me and I walk. You loosen me and I stop. What am I?
Who makes it, has no need of it. Who buys it, has no use for it. Who uses it, can't see it. What is it?
I cannot be felt seen or touched. Yet I can be found in everybody. My existence is always in debate. Yet I have my own style of music.
In my life I must bare my bloodline I must share.
You kick me, you punch me, and you beat me up all class. When you leave, you don't even say thanks for allowing you to beat me up. What am I?