Have you ever gone into work and thought, “Man, I’m tired?” Fast forward two hours, and you’re slumped over your desk, head in your hands, dreary-eyed, and drowsy? Why? Because you told yourself you’re tired. In the military, soldiers, sailors, airmen, and marines are taught one concept: mind over matter. The phrase was first coined by the poet Virgil in the Aenid in 19 B.C. in the saying, “the mind drives the mass.” What it equates to in this sense is, if you think it, you can achieve it. And also, if you “don’t mind,” it “don’t matter.” This is