Sweet...very sweet. Thank you for posting. I'm not sure why, but that line in the original about Jack loving a little dog always brings me undone, every time I read it. Most little boys love dogs. Certainly, when I was a little boy, my dog was my best friend. I interpret this as saying that Jack is still a kid (an innocent) at heart. Pure of heart.
Probably the way Jack appreciated his Mama keeping his room the way it was when he was a child, complete with school desk an baby booties, is likely another example of this aspect of Jack's personality.