Today, I got to witness Lily purposefully smiling. After Meadow got to enjoy the indoor water park, I was holding Lily in my arms while we decided what to do next. I was staring down at her smiling, and she smiled back. I know it was not gas or an involuntery movement, because it lasted more than a few seconds.
When she smiled I saw that she has more features of DH than Meadow does. I wish I could have gotten a picture of that too.