This is more of an entire section than a short passage, but I really like all of the description that was included. It also reminds me of something my family would do. Does your family have any holiday traditions? If so, what are they? Also, why do you think Mia was apprehensive about jamming with everyone at first, even though they were all supporting her?
This is the part where I started to get choked up. It was so nice to see the sheer love that Adam has for Mia, even though they had been going through a rough time. The reader gets to see a soft side of Adam in the section. Have you ever been surprised by any unexpected emotions from family members (ex: the tough brother crying at a movie, etc.)?
Lastly, this section is where Mia begins to feel things, as opposed to just observing them like she had been doing the entire time. I think these are pretty powerful moments in the story, because it is a turning point for Mia, Adam, and Mia's entire family. This is when they realize that she will be okay. What moment(s) in the story were particularly powerful to you?