I'm so torn over this book. It had some of the same problems for me that Insurgent did, if maybe a little more, in that the conflict felt somewhat contrived. Some of this can be pinned on the world building. We were put in a new environment, and it just didn't feel as compelling as the factions. And we didn't really deal with the conflict it felt like the first two books were setting us up for. Thus, some of the big twists in this book that I wanted to like for their bravery (and they still touched me don't be wrong), lacked some of their punch because I didn't feel their necessity. It didn't seem to build to those moments, because the conflict itself was somewhat muddled. Like Insurgent, it took me a little bit to re-enter the world. This time around I didn't feel as close to Tris as in the past, except when she was talking about her mother. 
 I know there's a lot of controversy about the ending of this book right now. For me, it's not about being angry about the big choices made. Rather, those choices didn't always feel earned. Rather, they existed to serve a larger didactic message within the books.