Forgetting his fastidiousness for the moment, and scowling at the way she was laughing, and the way she had smeared blood on his face - although it wasn't the blood that bothered him, but the insult to his manhood (yes, he considered himself a young man, how cute), he grabbed her, flinging her to the ground, himself astride her, as if to show her that she could not do that to him (although as time would ultimately tell, she truly could).
"Quit laughing, Bella, it isn't funny, and I'm not a woman. Do you want me to prove it to you?" Not that he really meant anything by that, more of a I'll show you what I've got not I'll use it sort of things.