You can still have chemistry on screen without getting on with the person. But it just makes your job a lot easier if you don't have to gird your loins, if that's not quite the right phrase, every time you're going to do a scene with that person.
One of the things I've had the advantage of, growing up and being close to the top management of this company and other companies for most of my life, is seeing how CEOs start to believe in their own infallibility. And that really scares me.

