Answer:
You can only have it once you have given it.
What must be in the oven yet can not be baked? Grows in the heat yet shuns the light of day? What sinks in water but rises with air? Looks like skin but is fine as hair?
Thirty white horses on a red hill, first they champ, then they stamp, then they stand still.
Some try to hide, some try to cheat. But time will show, we always will meet. Try as you might, to guess my name. I promise you'll know, when you I do claim.
What breaks on the water but never on the land?
Why is the letter B always cool?