His skills don't degrade over time

My father leapt down to me absently, unbothered or just used to Autumn’s transformations, and looked me over absently.

“You still remember how to use that, Jaune?” He asked, looking down at the blade at my side.

“Of course,” I said, putting a hand on it absently. “My skills don’t degrade from lack of use, nor does my body. I can use it as well as ever.”