I would say that maybe directors who act as well are easier with actors. I'm not saying that all directors have this, but sometimes you'll come across a director who sort of looks at an actor a bit like a kind of untrained horse that's been let out of the stable, like they might buck him.
Sometimes I laugh with my parents, and sometimes I yell at them, and both are therapeutic.
Drawings help people to work out intricate relationships between parts.