Koby makes a startled, squawking sort of noise, dropping the stone he'd been about to throw, and the machine of their coordinated movements grinds to a stop. The bright, warm starlight he constantly emits takes on an odd pinkish tint, which turns his pale hair the same color it had been when he'd met Archangel.

"I-It isn't puberty, don't be ridiculous." Embarrassingly, Koby's voice cracks right in the middle of the sentence, and he flicks a puff of stardust towards Garrus, splattering silver along his smooth armor. "It's to do with my -- power, I think. Completely different."

Is it? Magic puberty is still puberty, Kobert.