What is the symbolism of Hazel's name in the novel, Josh and Hazel’s Guide to Not Dating?

Hazel's name symbolizes protection and authority. She has authority over her children. She protects her friends. She tells Josh that Tabby is not right for him. She tries to help him get over the news that Tabby is cheating on him by watching a comfort movie with him. She has authority over her life and protects her character. While she learns to incorporate Josh's characteristics in her life, she is still herself.