Answer:
She will still not be happy
Step-by-step explanation:
Existentialism is simply a philosopher's term. They are used when they wants to observe and look into the nature of the human condition as a key philosophical predicament/ problem and who share the view that this said predicament is best solved by ontology.
Existentialism believers holds the view that the world and human/liveforms are meaningless that is they holds no value or meaning except when man gives it value. They believe that the world and all that exists has no valley or intrinsic meaning.