When you try to fake it, people can usually spot the cracks in your facade, because true confidence is about being ...

Nearly half of young adults (45 percent) value the medical advice of friends and family over that of actual doctors—and 38 percent trust social media over a real physician.

You don't get to pick your starting line. But you do get to pick how you run the race. You can build that mental database. You can read, ask questions, stash cash, and skip the credit cards.