When the men there asked about his wife, he said that she was his sister. He would not admit that she was his wife, because he was afraid that the men there would kill him to get Rebecca, who was very beautiful.
David said to himself, “One of these days Saul will kill me. The best thing for me to do is to escape to Philistia. Then Saul will give up looking for me in Israel, and I will be safe.”