The Last Days of Jack Sparks

I am still in the beginning of this book - less than a quarter of the way through. I am a little past where he has revealed the contents of the mysterious YouTube video.I'd heard a lot of really great things about this book, but I'm finding that I'm not enjoying it as much as I thought I would. I love horror books where the protag is an awful person, but I find him so annoying and insufferable right now that it's super easy for me to just put the book down and walk away. So, I've got to ask: Does it get better? Is it worth finishing right now?

I will probably finish it eventually, I very rarely DNF, but I'm wondering if I should set it aside for something else for the time being.