Say you’re running a marathon. You love running, you’ve trained hard and you’re running for a good cause, yet about halfway through you hit a wall – not literally but figuratively. Your energy levels slump, every movement creates a shockwave of pain radiating through your body, and your heart wants to leap out of your chest. Tears prick your eyes as the evil little thoughts start to infiltrate into your head – “You can’t do this,” they say. “You’re tired,” they say. “It’s ok to give up,” they say.