Who said "I killed myself laughing."?

This quote is attributed to Holden Caulfield.

I killed myself laughing. - Holden Caulfield

"I killed myself laughing."

Holden Caulfield Humor

Character in The Catcher in the Rye

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"It kills me. It really does."

"I'm the most terrific liar you ever saw in your life."

"Phoniness kills me. It really does."

"I really do. That's the thing about me. I'm quite the sexfiend."

"Never underestimate the power of a good laugh."

"Laughter is the best medicine."

"A good laugh is the best medicine."

"Laughter is contagious and wonderful."