My protag's childhood is key in the story, but the story is not about a child. With the popularity of YA in mind, the protag is everyone's favorite age, 17. I've gone through a few restructures and settled on flashbacks, so that part is decided. If you don't like flashbacks for backstory I respect that, but I've had that discussion already. So now here's the problem I'm working on. The flashbacks at the moment are very top heavy, meaning they are unevenly spaced in the book. Currently they fit in nicely early on in the story, but by 1/3 of the way through the story, they would have all been inserted and there are no more for the rest of the book. So what do folks think? Would that seem odd to a reader, flashbacks at first that then no more? How about 2 or 3 fairly close together then a couple spaced further apart, then none for the rest of the book? Also, near the end of the book (1st of 2) I switch POVs to a transitional character. There's a different protag in the second book and the transitional character ties the two stories together. I've thought about inserting flashbacks from his past while the POV is still the protag's. That might even out the flashbacks but would break from her POV before the reader knows I'm going to change POVs near the end of the book. Any comments?