1 Samuel 20:14-15

20:14 While I am still alive, extend to me the loyalty of the Lord, or else I will die! 20:15 Don’t ever cut off your loyalty to my family, not even when the Lord has cut off every one of David’s enemies from the face of the earth

1 Samuel 20:17

20:17 Jonathan once again took an oath with David, because he loved him. In fact Jonathan loved him as much as he did his own life. ¹ 

[20:17]  ¹ tn Heb “for [with] the love of his [own] life he loved him.”