For a moment the wicked wish came into my heart that she would "biff Mabel Binks"; but when I thought of the consternation it would arouse in Gresham and the disgrace to our class, to say nothing of poor hot-headed Dum, I felt ashamed of myself for harboring such a militant desire. I slipped my hand over Dum's clenched fist and in a moment I felt it relax.