Answer:
You must keep this thing. Its loss will affect your brothers. For once yours is lost, it will soon be lost by others.
All about the house, with his lady he dances, yet he always works, and never romances.
Large as a mountain, small as a pea, Endlessly swimming in a water-less sea.
It is the great nemesis of the lactose intolerant.
What has roots as nobody sees, is taller than trees. Up, up it goes, and yet never grows?
Which bank is not used for storing money?
Difficult
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?