Some friendships can shake our world because we realize their motives were not pure. Even King David encountered false friendships like this in the Old Testament. He writes, “It is not an enemy who taunts me, I could bear that… Instead, it is you—my equal, my companion and close friend. What good fellowship we once enjoyed as we walked together to the house of God… His words are as smooth as butter, but war was in his heart.” Psalm 55:12-14, 21, NLT. I have experienced the unfortunate displeasure of having a friend pulverize my confidence. In the beginning of this particular friendship…