The context of the following conversation is Casey took her to the zoo because she is an animal activist that didn't know how to drive, and Casey is assisting her on her research.:
Casey says I may take her to the zoo.
The friend responds I though you don't like the zoo!.
Casey responds She is an animal rights activist. I agreed to take her to the zoo so she could do her thing..
The friend responds What's in it for you?.
Casey responds I get to be her "assistant", which means I get to spend every waking minute with her. The more time I spend with her, the more I learn how to help the animals!.
The friend responds Yes, this sounds good..