Think back to the childhood tale of “The Little Engine That Could.” By chugging along and repeating his mantra of “I think I can,” he accomplished his goals. In the real world, overcoming self-doubt is more complicated than that, but the basic principle holds true. At its core, self-doubt is fear of failure. We believe we are incapable of meeting a goal or worry about rejection. Self-doubt is normal, but if allowed to rule your actions it can prevent you from enjoying new experiences or l