Answer:
Goes over all the hills and hollows. Bites hard, but never swallows.
I drive men mad for love of me. Easily beaten, never free.
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.
One by one we fall from heaven down into the depths of past, And our world is ever upturned so that yet some time weβll last.
I always follow my brother but you cannot see me, only him. You cannot hear him but you can hear me. What are we?
Do what he says and you'll be fine, don't and you lose the game.