"Julianne Holt - Lunstad did a meta-analysis of social support and health outcomes and found that not having enough friends or having a weak social circle is the same risk factor as smoking 15 cigarettes a day."
- Carlin Flora in an interview with Eric Barker
"Contrary to the belief that happiness is hard to explain, or that it depends on having great wealth, researchers have identified the core factors in a happy life. The primary components are number of friends, closeness of friends, closeness of family, and relationships with co-workers and neighbors. Together these features explain about 70% of personal happiness."