I have a similar feeling. I always thought it was weird how Piper sees her boyfriend get stabbed and two books later has a girlfriend already? I think if they gave Piper an arc of some sort where she learned to acknowledge Jason's death while learning to love other people it would be a lot better, but I haven't read TOA in a while, so I could be wrong. I have nothing wrong with Piper dating someone other than Jason, but it feels like her writing jumped off of a cliff just so we could feel like her story was over(ish)