O is for "Optimal"
“System status, doctor?” Google prompted lightly—an inside joke and a rhetorical one at that. He had spied the dark rings under Edward’s eyes and the weary tremor in his writing hand all the way from the door; a quick scan further revealed that his blood sugar was too low, his blood pressure too high, and yet here he still sat long after hours.
The fact that he cared to ask had Edward smiling halfheartedly. “Optimal, obviously. Ten out of ten, five stars, clean bill of health.”
“Then perhaps you, like your patients, should be cleared to check out now.”