Answer:
What is something that can go up quite easily, but is not as easy to bring back down?
I start in little but I end in full, you'll find me in half and complete.
What you become during a workout?
This dish is hot frankfurter served in a long, soft roll and typically topped with various condiments. Often served with hamburgers.
Cold head and feet; Round as a ball; Always turning around itself.
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?