[ Qubit shrugs. ] Mostly a hunch, based on things you've told me.

[ Obviously he wasn't there to observe the process himself, but it tracks. He touches his thumb to the glyph; a thin trail of steam rises from the spout while he portions tea leaves into their mugs. ]

But the symptoms you had then - they're not unlike what you were going through a few days ago, right? [ This time when he looks over, it's with sympathy. ] Stiffness, pain, irascibility... dissociation. They all come roaring back when you're in danger of reverting.