Agent Smith replacing Christian Nguyen

Of course, being in this body took a lot of adjusting. There were all those mornings Christian woke up and couldn’t figure out why her face didn’t look right. Plus all the old things she couldn’t remember, and the new things she could. Most people would start panicking about Alzheimer’s or something, but she was so focused on rallying the After Death movement and her steamroller-style mayoral campaign that she just kept brushing it aside. And she kept saying the phrase I’d given her again and again, like an error-loop glitch that keeps popping up.
People can depend on me when things get tough.
She started forgetting her life and started remembering mine.

Excerpt From Ex-Purgatory, pg 565
Peter Clines
https://books.apple.com/us/book/ex-purgatory/id676938479