1 Samuel 18:3 in the King James Version
Then Jonathan and David made a covenant, because he loved him as his own soul.
Context
2 Saul took him that day, and wouldn’t let him go home to his father’s house any more.
3 Then Jonathan and David made a covenant, because he loved him as his own soul.
4 Jonathan stripped himself of the robe that was on him and gave it to David with his clothing, even including his sword, his bow, and his sash.