The bit about the telepathic chemist cat is something that Robin actually thought during her last break. The sheer craziness of the idea is something we can find humor in because she is not stuck in that mindset anymore. What crazy things have you thought, whether suffering from a mental illness or not?
Woman: I've been having a rough time. I can hardly get out of bed.
Man: Man, my OCD has been acting up. I set ten alarm clocks yesterday.
Paige: Everything is great! My cat is working telepathically as a chemist with DuPont to develop a self-cleaning carpet!