Adopted Daughter Thanked Only Birth Mom; I Recalled Millions Overnight

After my adopted daughter won a major science award, she went up on stage to give her acceptance speech, and I was overjoyed. But I listened as she thanked her teachers, then her friend's dog, and even the cleaning lady at the lab, and still she never once thanked me. At the end, just when I thought she was finally about to say my name, the name of the mother who raised her, she said, "The person I want to thank most is my birth mother..."