Feel like this paragraph from the thing I’m writing with Theo repurposing the Dread Doctors lair is a good insight into how I write him most of the time-
Which meant after month of putting off retuning home Theo would in fact have an actually bed to sleep on. An actual bed for the first time in almost a year. And not just any bed. As they were no longer putting it to use Theo had commandeered the absolutely over the top dramatic bed that had once belonged to The Pathologist. It was in fact just as comfortable, if not even more so, than he'd ever dreamed of as a child begging to use it since The Doctors didn't actually need to sleep. None of his arguments had actually ended up working, in fact typically they end up irritating The Doctors and getting him punished in some manner or another. Which looking back really should have stopped him but Theo had always been far to stubborn for his own good. Often to his own detriment. But hey, he was slowly learning and growth was growth right? At least now he could tell when he was being a stubborn moron. Not that that really did him any good of course. Hindsight was 20/20 or whatever it was people said.