People with better over-all health coming into Covid, survive Coved infections better than people with poorer over-all health. Students with higher GPAs do bet

People with better over-all health coming into Covid, survive Coved infections better than people with poorer over-all health. Students with higher GPAs do better in a given class than students with lower GPAs. People with more friends are more likely to get married than people with few friends. I think there's a pattern here...