DON’T GIVE UP. These bold black letters jump off signs standing randomly in yards, fields, or along the road. A whisper of encouragement to a hurting someone gripping the wheel struggling to focus on the road, or cowering in a back seat. Feeling confused. Perceiving aloneness. Wearing a cloak of hopelessness. Inspirational signs dot the landscape across our country: “Don’t give up. You are loved. You matter. You have a purpose. Keep fighting.” The words intended for the someone at the...