Mayer uses the metaphor of gravity to symbolize the pull that two people feel towards each other, despite the weight and pressure that can come with a romantic connection. He sings about the highs and lows of relationships, the moments of bliss and the times of struggle.
The song also reflects on the idea of "falling in love" and how it can feel like being pulled towards someone by an irresistible force. Mayer describes the sensation of being captivated by another person and the way it can sometimes feel like being caught up in a powerful current.
Throughout the song, he references the idea of surrender, both in terms of giving in to the allure of another person and in terms of accepting the challenges that come with being in a relationship. He sings about the way that gravity can both bind people together and pull them apart, and the delicate balance that is required to maintain a successful and fulfilling connection.
Overall, "Gravity" is a song about the power and complexity of love and relationships, and how they can sometimes feel like being caught in a gravitational force that is both exhilarating and demanding.