The quote "By the way, I love you. That's why we're here." captures a powerful sentiment of love that serves as a central theme in Stephenie Meyer's novel, Breaking Dawn. It highlights the deep emotional connection between characters and illustrates how love is a motivating force in their lives. The characters' decisions and actions throughout the story are heavily influenced by their affection for one another.

This line emphasizes the importance of love in the narrative, showcasing how it drives relationships and shapes challenges faced by the characters. In the context of Breaking Dawn, love becomes a significant reason for their struggles and triumphs, reinforcing the idea that love is fundamental to their journey together.