In "To the Moon and Back" by Karen Kingsbury, the story revolves around the deep feelings a young man has for Jenna, a girl he is certain he wants in his life forever. Despite being only seventeen, he possesses a strong sense of commitment, showcasing the intensity of young love and the desire to build a lasting relationship. His determination reflects the innocence yet profound depth of teenage emotions.

The narrative captures how such early feelings can shape one’s perspective on love and connection. As he navigates his path, the young man's certainty about his feelings for Jenna serves as a testament to the power of love at a young age, illustrating that age does not necessarily correlate with the maturity of one’s feelings or desires.