"Mum is still not all that coordinated. Years of neglect have done nerve damage. She can cast spells just fine because those are usually short motions. However, when it comes to brewing or cutting, she doesn't want to risk it. Her fingers sometimes start shaking, or she shudders. The risk of messing everything up is too great. She explains everything and then guides me through the motions." The other Gryffindor grinned. "Actually, it's not that hard. You just have to be precise. Herbology needs precision, as well. You can ruin a plant if you cut too deep. It's not the same as in potions, but not as different as I have expected. It needed some getting used to, but mum thinks I can do it, so ..."