I have a lot of psychiatrist friends. I had psychiatric treatment at some point, befriended my former doctor in the process and then his group of friends. It's

I have a lot of psychiatrist friends. I had psychiatric treatment at some point, befriended my former doctor in the process and then his group of friends. It's amazing how much they have chemistry as a conceptual primitive -- just as much as I have linear algebra as a primitive. They drop "oxygenase" (or something) in casual conversation like I drop "eigenvector". And 90% of what they do is talk to depressed people and sometimes hand some Prozac or some Xanax!