Answer:
A necessity to some, a treasure to many, I'm best enjoyed among pleasant company. Some like me hot, some like me cold. Some prefer mild, some like me bold. What am I?
Lovely and round I shine with pale light grown in the darkness a lady's delight.
I'm the source of all emotion but I'm caged in a white prison.
I am an instrument capable of making numerous sounds but cannot be touched or seen. What am I?
I am long and slim works in light. Has but one eye and an awful bite.
They're actually great swimmers now, but later they will become excellent hoppers.