It was becoming too hard for Greg to stay on his knees, and he finally levered himself to his feet. "It's not like this is your fault. There's nothing you could have done, all you can do now is get her the tests, and figure out what to do with the results."
The mention of her dancing skills made him smile the same awkward little smile he had at Sophia. "She can feel the beat in the bass, probably."
When Sofia spoke to him again, Greg looked down at her, as his smile faded. "Well, we have to learn to. But lots of people that can't talk with their mouths talk with their hands. They have words, too." He realized, belatedly, that twins often had their own sort of language anyway, and gave her a questioning little look. "Do you and your sister talk to each other? Does she talk to you, Sofia?"