It was three o’clock in the morning when the cell phone rang. No, it shrieked. I was so sound asleep I didn’t know if it was an ambulance or a tornado siren in my bedroom. “Who is it?” My heart pounded and my body shook. “Calm down,” my husband said as he picked up his phone. One of the hardest things about having a physician husband is surviving night calls. That’s the other side of medicine that only the family gets to experience. “Why do you always expect bad news?” he was asleep before I could respond. It took my heart a while to calm down and my body to…