Why would Jonathan keep such a deadly secret from his best friend? This verse reveals a painful dynamic in their friendship.
Saul, Jonathan's father, is determined to kill David. He fears David's popularity and sees him as a threat to his kingship. Saul, in his paranoia, has even instructed Jonathan to 'not let Jonathan know this' – meaning, don't let Jonathan know the full extent of Saul's murderous intent, lest it grieve Jonathan. This is a complex situation where Jonathan is caught between loyalty to his father and his deep love for David. He's trying to protect David without fully revealing the depth of Saul's hatred, hoping to spare both David and himself unnecessary pain. It's a testament to how toxic leadership can poison even the most loving relationships.