If you are German or have German ancestry, you can respond with: "Yes, I am German [or part German]! It's great to share this heritage/connection with you. I'm proud of my roots, and I'm excited to learn more about your background as well. Let's explore our cultures together and grow closer as a couple." If you are not German or have no connections to German heritage, you can respond with: "No, I am not German or part German, but I appreciate your interest in my background. I am [mention your nationality/ethnicity] and am proud of my own culture [you can share a brief explanation here if you'd like]. Getting to know each other's backgrounds allows us to understand one another better and strengthen our bond. Let's continue learning about each other's cultures and share our experiences together."