Nick Cammarata has always been unusually happy. The 31-year-old AI safety researcher had a good childhood, but it wasn’t just that; situations that made others depressed seemed to roll off him. “I think I was probably happier than 99% of people. It’s just kind of unfair luck,” he says. “I figured maybe what I had was as good as it gets.” Then, in 2021, as part of an effort to investigate whether life could get even better, Cammarata discovered the jhanas.