She is scared of being what she was in her previous life, when being around him...
I meeeeeean, mofo got rizz for days
Dmn money
Noella also admitted before that she was spiteful because she felt neglected and abandoned/unworthy (even though considering how dysfunctional and non-commumicative this family is, she probably actually got off with less screws loose by comparison to her brother, maybe even Adele if she weren'treincarnated with an adult mind for buffer).