Answer:
What does man love more than life, fear more than death or mortal strife. What the poor have, the rich require, and what contented men desire. What the miser spends, and the spendthrift saves. And all men carry to their graves.
What is that you will break everytime you name it?
Without a bridle, or a saddle, across a thing I ride a-straddle. And those I ride, by help of me, though almost blind, are made to see.
It is the great nemesis of the lactose intolerant.
Of no use to one, Bliss to two. Men lie for it. The baby’s right,
I am your mother's brother's only brother in law. Who am I?