At first it's mentioned that Colin is glad to hear that he has his own body, but then it's mentioned the body already has a family. Ain't that's contradictory? I mean like, doesn't that sound like he's basically possessing a 17 yo boy named raven who already has a family?
Don't care if it is similar to TAPOV. What is important is how the author diverges; therefore, if there is a similar item found in TAPOV then it would not matter as long as author gets creative with it and changes the limits.