In the secret life of bees why does Lily decide to leave T. house?

Lily decides to leave T. Ray's house because she realizes that she can no longer live with the abuse and neglect she has been experiencing. She has come to understand that she deserves better, and she wants to find a place where she can be safe and loved. Lily also feels compelled to follow the calling she feels to become a beekeeper, and she believes that leaving T. Ray's house is the best way to pursue this dream.