Answer:
What you become during a workout?
I have a pet, his body is full of coins
Rotten trees and Jack-O-Lanterns have this characteristic in common.
What two letters in the alphabet say goodbye?
What is seen in the water and in the sky? It is part of the rainbow and can be in your eye
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.