Fred Ebb's brilliant "Cabaret" has an unusual "I Want" song; Sally Bowles is performing. She is not actually sharing her inner monologue. But the lyrics do shed light on her emotional life. We're aware, right away, that she is in a tug-of-war; she is stuck between her superego and her id. Please, sir, if you run into my mother... Don't reveal my indiscretion... Just leave well enough alone... Hush up! Don't tell Mama. Shush up! Don't tell Mama. Let's trust one another: Keep this from my mother. Though my dance is not against the law.... A part of Sally does want to be a functioning, responsible adult. (If this weren't the case, her big number might be called, "Mama Can Go Fuck Herself.") We see Sally flirting with the idea of healthy living--leading a guy on, considering parenthood, making concrete plans--but, ultimately, self-sabotage is too much fun. When Sally torpedoes her love affair, she does it in an especially thoughtle...