Answer:
What breaks in the water but never on land?
Some adults still use these to count.
Power enough to smash ships and crush roofs. Yet it still must fear the sun.
Retired people want these to be large and birds want them to hatch.
What has a head and a tail but no body?
For our ambrosia we were blessed, By Jupiter, with a sting of death. Though our might, to some is jest, We have quelled the dragon's breath. Who are we?