Unless comedy touches me as well as amuses me, it leaves me with a sense of having wasted my evening. I go to the theatre to be moved to laughter, not to be tickled or bustled into it.
All that day she had had the feeling that she was playing in the theatre with actors better than herself and that her poor playing spoiled the whole thing.
One half of the pleasure experienced at a theatre arises from the spectator's sympathy with the rest of the audience, and, especially from his belief in their sympathy with him.
I've learned, having been on a lot of sets, the good news is that by definition you are surrounded by experts. They get fired if they're not - unlike in the theatre!