Guts are a combination of confidence, courage, conviction, strength of character, stick-to-itiveness, pugnaciousness, backbone, and intestinal fortitude. They are mandatory for anyone who wants to get to and stay at the top.
Some people, in working towards a goal, find themselves seized by inertia when it comes time for action. If this should happen to you, despite the small graduated steps, then it is time to re examine your goal. Consider how important it actually is and then either discard the goal and replace it with more suitable one or continue the steps with a renewed sense of the value of achieving it.
Part of being a champ is acting like a champ. You have to learn how to win and not run away when you lose. Everyone has bad stretches and real successes. Either way, you have to be careful not to lose your confidence or get too confident.