This does point to it though. I can definitely identify that all too familiar guilt-tripping that's going on here with her and her mom.

This looks a lot like child of a narcissistic parent. The parent blows the slightest things out of proportion to such an extent that the child is scared to death of the consequences to ever disagree in any way with the parent.

Narcissistic parents impose this immense fear on their children in order to control them. My dad did exactly the same thing. I always had to consider how something I did would affect him so much, that I completely forgot about any benefits it might hold for me, so I give up on anything I want to try.

Narcissistic parents like to get everything their way, so they create an immense sense of guilt and fear in the child if he/she even thinks of doing something another way.

If you think of yourself even once, suddenly you've "crossed" them and "betrayed" them and you get the whole "I can see now, deep down you really hate me, and love to break my heart" and "maybe it'll just be better for everyone if I die" saga.

I know because I used to get that a lot.