"Only Us" is a song by Carrie Underwood and Dan + Shay that explores the idea of love and the importance of finding someone who accepts and understands you for who you truly are. The lyrics express that the protagonist doesn't need any convincing or proof to want the person they love, and they don't need reminders of past heartbreak. The song suggests that the bond between two individuals can be strong enough to withstand any external influences or distractions. The line "What if it's us, what if it's us and only us?" highlights the exclusivity and intimacy of their relationship. They are willing to let go of the past and start anew, focusing only on each other. The lyrics also portray a sense of gratitude for finding someone who genuinely cares. The protagonist acknowledges that they never thought someone like their partner would want them and expresses their willingness to provide countless reasons for their partner to stay. They desire a connection where they can be accepted for who they are without any pretenses or expectations. The chorus emphasizes the idea that the rest of the world fades away when they are together. The couple's love becomes the focal point, and everything else becomes insignificant. They envision a future where it's just the two of them, and they are happy with that. Overall, "Only Us" is a heartfelt song that celebrates the power of love, acceptance, and finding solace in one another. It conveys the idea that when you find someone who truly understands and accepts you, the rest of the world doesn't matter.