"As long as you're willing, and wanting, it will be easy," Aziraphale replies. It's a bit of an exaggeration, but it does make things easier and he certainly doesn't want to discourage Soldier trying to get more in touch with his personhood.

No, Aziraphale would bring that all back for him in a second if he could. It seems cruel to steal someone's own humanity from them, taking away who they are fundamentally. "Do you need a break? Water, perhaps?"