“A man when he is making up to anybody can be cordial and gallant and full of little attentions and altogether charming. But when a man is really in love he can't help looking like a sheep.”
Miss Viner
Source: The Mystery of the Blue Train (1928)
Context: I was wrong about that young man of yours. A man when he is making up to anybody can be cordial and gallant and full of little attentions and altogether charming. But when a man is really in love he can't help looking like a sheep. Now, whenever that young man looked at you he looked like a sheep. I take back all I said this morning. It is genuine.
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Agatha Christie 320
English mystery and detective writer 1890–1976Related quotes

“No one but a woman can help a man when he is in trouble of the heart.”
Source: Dracula

As quoted in Can't Anybody here Play This Game? (1963) by Jimmy Breslin; reproduced in "Rocene's Sport Jabs" by Ray Rocene, in The Missoulian (April 21, 1963), p. 11

Mea culpa; suivi de la vie et l'oeuvre de Semmelweis (1937)