When the men of the place asked about his wife, he said, ‘She is my sister,’ for he was afraid to say ‘my wife’, thinking, ‘The men of the place will kill me on account of Rebekah, for she is a beautiful woman.’
so he pretended to be insane in their presence. He acted like a madman around them, scribbling on the doors of the city gate and letting saliva run down his beard.