Dr. Brené Brown says she was raised, like many others, to believe vulnerability is a weakness. In fact, she says, you can't have true courage unless you open yourself up to vulnerability. Watch to find out why sharing your feelings—and having hard conversations—is the only way to dare greatly in life. For more Super Soul Sunday, visit www.oprah.com/SuperSoulSunday Find OWN on TV at www.oprah.com/FindOWN