The context of the following conversation is Kendall made a living at it after vowing to do only what they loved for work.:
Kendall says I love working as a veterinarian..
The friend responds What's your favourite part?.
Kendall responds Working with animals all day.  It's so rewarding..
The friend responds When did you decide you wanted to be a vet?.
Kendall responds When I was in elementary school..
The friend responds That sounds amazing!  I wish I got paid to do what I love!.