If you could be the best in the world at something, what would it be?

We all have ambitions as kids, but few of us pursue them.

Did you want to be a famous movie star or a successful football player? Maybe you envisioned people cheering your name in stadiums and concert halls across the world, or perhaps you wanted to see your name in the Guinness World Records, what was yours?

Whether your skill is being the fastest man in the world or merely pushing a can of beans further than anyone else is willing to with their nose, being the best at something takes a lot of work. But if you could snap your fingers and immediately be the best, what you choose? 

If you could be the best in the world at something, what would it be?