I don't like baths." A very filthy filly groused as she was carried, by magic, towards the tub. Celestia paid no attention to the protests but gently plopped the young pony down into the steaming waters.
"If you don't get clean, you'll muddy up your books, my darling. You wouldn't want that, would you?"
Twilight pouted further, but relented. "No...But I still don't like baths.