1. Greg Heffley is insecure and wants to be popular.
* Evidence: Greg is constantly trying to fit in and impress others, especially his older brother Rodrick. He often feels awkward and inadequate, and he worries about what other people think of him. He also spends a lot of time trying to figure out how to be "cool" and avoid embarrassing himself.
* Inference: This shows that Greg is insecure and wants to be popular. He's trying to find his place in the social hierarchy and gain acceptance from his peers.
2. Family relationships can be complicated and messy, but ultimately offer love and support.
* Evidence: Greg and Rodrick constantly clash and get into fights. Their parents are often frustrated with their antics and struggle to understand their teenage angst. Despite the constant bickering, they ultimately care about each other. We see moments of tenderness and understanding between the brothers, even when they're not explicitly stated.
* Inference: The story emphasizes the ups and downs of family life. Even though they drive each other crazy, Greg and Rodrick have a deep bond and support system. Their relationship, despite its challenges, demonstrates the complexities of sibling love.