Anybody with an ounce of sense knows that fighting someone with a significant advantage in size, weight, and reach is difficult. If your opponent has you by fifty pounds, winning a fight against him is a dubious proposition, at best. If your opponent has you by eight thousand and fifty pounds, you've left the realm of combat and enrolled yourself in Roadkill 101. Or possibly in a Tom and Jerry cartoon. My body was already in motion, apparenty having decided that waiting on my brain to work things through was counterproductive to survival. It was thinking that the cat-and-mouse analogy was a pretty good one.