RelationshipsA lot of people think the Eren's Mom is really the King's daughter, and most of what he has told Christa is a bunch of crap and has been manipulating her memories for his own goals. It works in with the government conspiracy theory.
Relationships cont'd
I've been thinking the same thing. Think about when Christa first saw her father after years. She was pretty pissed up at first sight, and all of a sudden she became daddy's little girl. That just gives me an automatic hint that she's not herself, that Rod Reiss messed with her brain prior to Eren gaining consciousness again. Plus I have to say over the course of these past couple arcs Christa has become one of my favorite characters.