Someone experienced with a weapon is more complicated than just using it. To use one effectively, you have to know it in and out, and adjust yourself to its quirks. [To Shun, using a weapon basically makes you part of the weapon's effectiveness, so he has trouble seeing how someone who uses a weapon well would be unsuited to be one.

This time, the pillow being leant on starts to push itself upwards, slowly at first. It seems like it might be trying to sneak-overbalance him eventually.

While "fighting" isn't really the right word, Shun can't really give that a firm "no" either.] When it first comes, it feels like it wants to break out. If I'm ever anything less than calm going into a fight, I doubt it's going to calm down either.