Answer:
What breaks in the water but never on land?
A father's child, a mother's child, yet no one's son
What kind of cup doesn't hold water?
A man goes out in heavy rain with nothing to protect him from it. His hair doesn't get wet. How does he do that?
In the sun it likes to play; In the rain it goes away; Walk or run it always follows; In the mud it always wallows.
If it’s information you seek, come and see me. If it’s pairs of letters you need, I have consecutively three. What am I?