Aerin has been doing wonderfully with her speech and developmental therapies. In just one month, the number of words she says has more than doubled to over 50, and she has even started to put together two-word sentences. (e.g., "Blow bubbles," "Juice please") She can now count to ten, and tries her best to sing along to familiar songs. I really believed her hearing was back to normal, and both her therapists agreed. We were wrong. I brought Aerin to our follow-up ENT appointment this past weekend, confident that the doctor would give her a clean bill of health. But as soon as he examined her ears, he shook his head and said, "There's still a buildup of fluid behind her eardrums. The...