A/N: Reader's gender not specified.
Prowl watched the human that he'd all but claimed as his charge. (y/n) was being uncharacteristically silent, staring out the hole in the wall of his chambers that served as his window and watching dawn alight the clear Detroit sky. Usually the silent mech would be all for this, loving to spend comfortable silences with those he was closest to. But that generally wasn't (y/n)'s style.
They were a little more like Sari- loud and playful, when they were comfortable- or like Ratchet when tired and stressed. The sheer depth of the little human's personality was always a cause of interest for Prowl. And while (y/n) had a love for nature, it wasn't quite on the same level of awestruck reverence Prowl held. But he was okay with that.
To the extent of his knowledge, (y/n) hadn't slept last night. Humans needed sleep, and that meant (y/n) was thinking about something. Deeply, to the point where sleep interrupted thought processes and was therefore unwa