And to realize you can love more than person as everyone is uniquely different. Some stand out more to others, while some are hardly even seen. I guess true is love is finding where you should stand despite of what perceptions you may have of the second person.
Annabell is like a second mom to her brother. She is with him helping in the homework and checking that he is not getting into trouble. That is another big reason why Annabell does not go away, her brother is still too young. He needs someone to look up to.