Gabriel decided, there and then, that it would probably be a bad idea to bring up the fact angels could mess with peoples' memories. Gabriel hadn't usually done it because he wanted people to remember what he did to them, but that kind of mental manipulation was still pretty easy.

The irony that it was now happening to him wasn't lost on him. It did start to make him wonder, again, if this was a construct specifically for him.

"No," the archangel admitted grimly after a moment. He knew it was there in some objective fashion because, unlike his first rehab, he knew what it was the rehab did; not only that, but the Doctor had explicitly called him on the dissonance of his knowing the landscape from a time when, according to his real memories, he shouldn't have been able to know anything about. But he couldn't see the memory's edges. It blended so seamlessly in with the rest of him that it took effort to even maintain the knowledge that, yes, it had to be false.