Thematic Bible: Fast friends

When David had finished speaking to Saul, the soul of Jonathan was knit with the soul of David, and Jonathan loved him as his own life. Saul took David that day and would not let him return to his father's house. Then Jonathan made a covenant with David, because he loved him as his own life. read more.
And Jonathan stripped himself of the robe that was on him and gave it to David, and his armor, even his sword, his bow, and his girdle.