Born in Philly to Indian immigrant parents, Prakriti "Pax" Tandon is a positive psychology expert and a yoga teacher. The 35-year-old also meditates, runs, lifts weights and eats clean - but not so clean that she doesn't splurge. "My favorite meal is a steak dinner with caviar and oysters to start with (if we're getting fancy) and a scotch neat to wash it down. Single malt."

Twitter: @PaxTandon

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