You can feel the heat and it wants to burn you. It is living and breathing and full of aggression. As you move toward it, pushing against it, you feel it surge and you keep moving because you can't stop or it will win. You take the next step, on your hands and knees and you pull a couple hundred pounds of hose full of water and you push it back again, you feel the edge move your way. It will lose again and you know you have it beat now. Sweat is pouring down your forehead into your eyes and filling your face mask full, but you smile because you know you won again.