Each punch sounded like a shot in the mostly deserted gym. Each was also followed by an animal like snarl as Mark struck the bag. As I got close enough I saw that his hands were wrapped in ace bandages and that there was blood soaking through them. I got to within a couple of feet of Mark and knowing better than to come right up and touch him said softly;

"Mark?"

He didn't hear me. Instead he jumped back and through a savage kick into the bag sending it flying when it came back he let it hit him and wrapping his right arm around it held it there...