Off Broadway
When Monte Ziltch told his boss, Mr. Foy, he was quitting as an accountant
to become an actor, Mr. Foy was convulsed with laughter. After My. Foy realized
that Monte was obsessed with the idea, he became quiet serious, launching 
into a diatribe on the importance of responsibility of young generation.
Monte confessed that he had been developed ulcers as an accountant, and when
his psychiatrist suggested that the illness was the result of inhibitions,
he agreed. Now a fortuitous opportunity to get into show business required
him to make an immediate decision. Mr. Foy stormed out of his office, 
muttering incoherently about hippies, beatniks, and others of that ilk.

To wear your heart on your sleeve--People who wear their hearts on their
sleeves frequently suffer emotional upsets.
(to make your feelings evident)