Choosing a meaningful birthday gift idea for a new relationship involves thoughtful consideration and a touch of creativity. Think about shared interests and experiences that have brought you closer. You might select a gift related to a hobby you both enjoy or an experience-based gift like tickets to an upcoming event or a scenic day trip. Handwritten notes or cards expressing your excitement about the new relationship can add a personal touch to the gift. The key is to choose something that symbolizes your connection and shows you're eager to continue building it.