Why should I kill thee? - To avert Saul’s anger from herself, she pretended that David had threatened her life unless she facilitated his escape.
Related Commentaries of 1 Samuel 19:17
1 Samuel 19:17
17 And Saul said unto Michal, Why hast thou deceived me so, and sent away mine enemy, that he is escaped? And Michal answered Saul, He said unto me, Let me go; why should I kill thee?