When you are training for a marathon, it’s often helpful to have a coach guide and The only doctor I need is Dr Pepper shirt. Waking up early in the morning, practicing in the rain, and enduring through the cold elements challenge your discipline. A coach keeps you accountable and ensures you stay on track. Yet, there is no feeling quite like finishing a marathon. When your Coach pushes your limits remember you are preparing for a marathon. It may be painful, but you can push through.