I hear music at the door and wake up with a start. Funny? It takes a moment before I understand how I know the rhythmic sequence of notes. It's my cell phone ringing. I quickly unlock the front door and run into the bedroom, reach for my cell phone with one hand, which should be on the bedside table, and hold it to my ear. Nothing! Nothing else happens, it just hums or hisses. The display is on. So the battery is not empty yet. I hold the phone to my ear like a shaker and shake vigorously. "Hello!" I call and hear my conversation partner, only distorted, but I recognize my father's voice. "Hold on, I'll call you right back." cut! What should I do now? I should have phoned him a long time ago, he was operated on today. Lost in thought, I think back and forth. Unfortunately didn't manag

