Brittany is back! First, updates on her intense bike ride for civil rights.Then Brittany explains how she's navigating a completely new life - running a business, traveling, doing long and intense bike rides - and how it isn't necessarily a bad thing to feel exhausted and overwhelmed.How do you navigate it? And could it actually be a good thing to feel like you're failing? Subscribe to Sharpen Up on iTunes, and leave us a rating and review to help spread the word!Follow Brittany on Twitter and Instagram @Brittany_MSGirl. Until next week: Don't forget your pencil!