Answer:
The more you take away, the bigger it gets.
What is something that can go up quite easily, but is not as easy to bring back down?
What can get you there in eco style, pushed by your legs mile after mile?
Passed from father to son and shared between brothers, its importance is unquestioned though it is used more by others.
What is in seasons, seconds, centuries, and minutes, but not in decades, years, or days?
The profession of Jimi Hendrix and Eric Clapton
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?