1 Samuel 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 Samuel 18:1
When David had finished talking with Saul, Jonathan and David became bound together in close friendship. Jonathan loved David as much as he did his own life.
1 Samuel 18:3
Jonathan made a covenant with David, for he loved him as much as he did his own life.
Deuteronomy 13:6
Suppose your own full brother, your son, your daughter, your beloved wife, or your closest friend should seduce you secretly and encourage you to go and serve other gods that neither you nor your ancestors have previously known,
2 Samuel 1:26
I grieve over you, my brother Jonathan! You were very dear to me. Your love was more special to me than the love of women.
Proverbs 18:24
A person who has friends may be harmed by them, but there is a friend who sticks closer than a brother.