His face twists in fury - of course, the man would walk away now. It is power play, and he is sick of it. With a growl, his hand finds the nearest object to hand - the book he was left - and he hurls it at the door.

It is the action of a child, and he immediately laments the loss of control. But keeping control is not going to help him here. Tepesh has proved he has no respect for it.