Answer:
What two things can always see what the other sees, but can never see each other?
Hoofed frolicking.
As destructive as life, As healing as death; An institutioner of strife, Just as prone to bless. It is all that is good, Yet with an evil trend; As it was the beginning of things, It can also be the end.
What get wet while drying
Of these things - I have two. One for me - and one for you. And when you ask about the price, I simply smile and nod twice.
I am your mother's brother's only brother in law. Who am I?