A dear friend of mine sent me a text message that said, “I’m so glad we can tell each other the good, the bad, and the ugly!” We have been friends for many years, and we have learned to share our joys and our failures. We recognize we are far from perfect, so we share our struggles but we also rejoice in each other’s successes.

David and Jonathan had a solid friendship too, beginning with the good days of David’s victory over Goliath (1 Sam. 18:1–4). They shared their fears during the bad days of Saul’s jealousy (18:6–11; 20:1–2). Finally, they…