1 Samuel 18:3

18:3 Jonathan made a covenant with David, for he loved him as much as he did his own life. ¹ 

1 Samuel 23:18

23:18 When the two of them had made a covenant before the Lord, David stayed on at Horesh, but Jonathan went to his house.

[18:3]  ¹ tn Heb “like his [own] soul.”