The audience is a genius

The audience is a genius all the time. When we have nothing to do but watch, we see everything.

Write up. Write beyond. Go as interior and secret as you can. Know everything, be as big as you can. We need it all.

"Write me a part so big I can't play it," an actress told me once.

To do that, you have to write beyond what you know. You have to write to the top of your skill and off into the void. Or, paradoxically, write ONLY what you know -- "This is exactly how people behave". Either way will get you there.