1) She does not understand children at all well and greets conventional inconveniences with a look of primal horror.
2) She feels herself to be harshly judged by people who don't actually care about her one way or another.
3) She will do anything to not lay down the law and be like her evil, domineering mother.
The thing all these have in common is Deanna's dread of confronting people. She'll endure any horror as long as she doesn't have to risk alienating people by sticking to her guns.
This leads directly to the fourth form of failure: instead of dealing with a crying child and thus have the (indifferent) community-at-large