The projects you've been working on have been so easy that you're starting to get a little bit complacent -- what you need is a good old-fashioned challenge! It's the quickest and most effective way to get you feeling like you're back at the top of your game. You need to climb a mountain to remind yourself of the heights you are capable of reaching. So today, add a little more ambition to your day and take on something that intimidates you. And do not be afraid to fail.