Love and relationships are likely themes. Her private life would surely involve her feelings towards family, friends, and perhaps romantic partners. How she manages these relationships and what she learns from them could be central to the story.
Privacy and intrusion could be a major theme. Since it's about her private life, there might be elements where others try to pry into her life, and she has to fight to keep her privacy.
One possible theme could be self - discovery. As she navigates her private life, the sister might be on a journey to understand herself better.
Another theme could be privacy itself. It may show how the sister tries to protect her private space and what happens when that privacy is invaded. It could also be about self - discovery. The sister may be on a journey to understand herself better in her private life, away from the outside world's expectations.
I'm sorry, I haven't read this specific novel. It could be about the private and personal experiences of the sister character, perhaps her relationships, dreams, or secrets.
Love and self - discovery are often main themes. In many novels about private lives, characters explore their own identities and desires, and love, be it romantic or platonic, plays a significant role in this exploration.
One possible theme could be freedom. Just like a dog might feel a sense of freedom when running around naked (in a metaphorical sense perhaps), it could symbolize a lack of constraints in the story.
The theme could also be about personal growth. The sister might have overcome some great obstacle in secret, like dealing with an illness or a difficult situation at school or work. And this secret experience has made her grow as a person. It could also be about friendship, where she has a secret friendship that has influenced her in ways her family doesn't know, and this friendship is an important part of her real - life story.
One possible theme could be love, as it's in the title. It might explore different forms of love, like friendship or young love.
Family relationships in general are probably important. The story might explore how sisters interact, support, or conflict with each other within the family structure. This can include dealing with parental expectations and family traditions.
One main theme could be self - discovery. She might be on a journey to find out who she really is, away from the expectations of her family and society, and this process is full of secrets.
Family could be a major theme. Mommy is often associated with family, and her brave heart might be demonstrated through protecting or taking care of her family. Maybe she faces difficulties like financial problems or family disputes but overcomes them with her bravery.
One possible theme could be loyalty. If the father's best friend has been around for a long time, loyalty within their friendship and perhaps loyalty to the family as well. For example, if the family faces some difficulties, the friend might show loyalty by helping them out.