Answer:
I have many feathers to help me fly. I have a body and head, but I'm not alive. It is your strength which determines how far I go. You can hold me in your hand, but I'm never thrown.
Although my cow is dead, I still beat herΒ What a racket she makes.
More precious than gold, but cannot be bought, Can never be sold, only earned if itβs sought, If it is broken it can still be mended, At birth it canβt start nor by death is it ended.
It comes only before, it comes only after. Rises only in darkness, but rises only in light. It is always the same, but is yet always different.
What is neither inside the house nor outside the house but a necessity for any home?
I am your mother's brother's only brother in law. Who am I?