Answer:
Better touch me before you proceed to second. What am I?
I am used when you jump off a bridge for fun.
When you take away the whole from me, there is always some left. What am I?
I help engines spin and pants stay up. What am I?
I am very afraid of doing scary activities.
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?