"Never give up." In business and in life, we hear this a lot. But what does it take to persevere? What expectations for pursuing goals and dreams set people up for disappointment and failure. Here's the reality: anything worth doing in life is going to be very, very hard. You have to understand the mindset and the method for pressing on or you're not going to make it. In part 4 of the 4-part series Recalibrate, Andy Frisella unpacks his thoughts on the all-important quality of perseverance.