Henrik Ibsen's -The Hunger Artist

He starved himself as part of a circus act, and eventually they'd forget about him. One day they found him nearly dead, collapsed in his cart/bed, and asked why he didn't just eat.

"I'd gladly have eaten," he said, "if only I had found something I liked."
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"What I do know is that if Karen Carpenter and Mama Cass Elliot had shared that sandwich they'd both be alive today." -Michael K