0_Apprentice
I want to be the worlds best swimmer!
1_Wizard
You must be good at holding your breath under water then!
0_Apprentice
I feel like I am! Why... Is that a prerequisite?
1_Wizard
Well you need to be able to hold your breathe while stroking! But good for you, I mean swimming is one of the lower impact sports out there! 
0_Apprentice
So I've heard!