"You started it," Fíli points out, scooping up an extra-large bite of pie and chewing it smugly. It's even more delicious than it otherwise would have been. "Besides," he adds, blithely ignoring Kíli's glare - that particular expression hasn't worked in years, and he's sure his brother knows it - "I'm doing you a favor, really. If you eat too much more of this, you'll just get fat."