Ooof. [She demonstrates the stance and weight distribution, then, bouncing on the balls of her feet.] Like this, then. Fast and loose, ready to move. And yeah, Guts is right. Trust the sword. Cuttin' things is what it's made for; if you've kept it oiled and sharp and polished, then it doesn't need any more help to do its job. Your job isn't to make it cut, it's to stop it cutting, get it cutting only what and when and where and how deep as you want it to. If that makes sense.