"...H-huh?" Beatrix turned her head towards Uiharu with a look of confusion, "No! There's... there's no way I am! I look super mature!"

Beatrix was positive in her assessment; after all, this Uiharu girl was clearly childish in every aspect! No way was she allowed to look older than the dignified, beautiful daughter of the Avalon family!
With a frustrated pout, the haughty blonde continues her boasting, "I'll have you know that I'm thirteen, unlike that kiddy ten-year old! I could even be a..." Beatrix tried to remember the correct word, "A, uh... a gravy model! So there!"

Her smug gaze fell once more upon Uiharu, "so, try and beat that, kid!"

It was so good to be as mature as an adult.