I never know what I'll find when I start picking up papers from the dining room table (which is more often used as the Art Studio).
It appears the boys were hammering out the rules of combat.
I'm impressed that they want to beat the crap out of each other in a way that's reasonably fair. No attacking each other in the toe, stomach, or bladder.
Because someone probably realized that there's nothing more humiliating than pissing yourself during a sword duel.