Sweaty palms before a date. Racing heart during a presentation. Needing a diaper while delivering a wedding toast. We've all been there. On the heels of New Year's resolutions, sports & performance psychologist Dr. Sari Shepphird explains confidence vs. performance anxiety, the origins of perfectionism, how much social media is too much, self-sabotoage and also dishes on strategies that athletes use to perform under pressure. Also: why you should holler the F word when you're nervous, why being authentic is always the best policy and the perils of professional darts.