"Pasts are interesting things," Aziraphale said neutrally. He had mixed feelings about his, for lack of a better word, life. There'd been a lot of missed opportunities, some time wasted, but also a good deal of certainty that he had to admit he sometimes missed nowadays. Of course, he was also certain of new things now. Companionship, protection, "the morning sun of heaven" - on Earth, but near enough and lovely enough to be the same thing. Continued existence. Contentment.

He shook his head slightly. He was being sentimental.

"History is important to people, though," he added, shaking his head more vigorously at Gabriel's last comment. "I think it might be hard to know who you are without it, if you're - not us."