It would be very vexing to handle, even for her.
To feel powerless and your body acting out of control without her knowledge, making her susceptible to death for unknown causes.
She had also seen countless phases of the girl's life through the memory line, and how her situation was at home. She had to admit, although she didn't understand much about a human's life, the girl had quite the harsh set of experience behind her back. As if the world was constantly trying to put her down and block her pathways.
Alena Croft was just a young child, but her maturity couldn't have just sprouted out of nowhere.
It was partly fueled by her natural intelligence, but it also had something to do with her family background and the all the shit she had to deal with as a Croft.
The Croft was a twisted family.