The context of the following conversation is As an experimenter Carson frequently ran tests on their friend Kendall, some of which could be quite uncomfortable.:
Cameron says So sometimes Carson asks Kendall if he can run experiments on him, but to tell him if he doesn't feel okay about them..
The friend responds I see, it's nice of him to help.
Cameron responds Yes, sometimes they can be quite uncomfortable..
The friend responds He is getting paid for this, right?.
Cameron responds Yes, Carson usually gives him fifty dollars when they are done.