As I can see from the reviews, a lot of people are allergic to fun and having a good time. They were saying that they couldn't catch ahold of the plot and what was happening, meaning that they had their faces buried in their phone screens most of the time. Does the movie require absolute and constant concentration? Yes, but so does every book, because you can't just skip one page. Since there is so much said on one page, there is also so much said in one scene of the movie. Me and my friends went to see the movie because we thought the casting was so random and funny, and we wanted to see what they were going to do with Dua Lipa and John Cena in a movie together. We ended up laughing so much and having such a great time! I get that everybody has different tastes in movies, but that doesn't mean that this one is bad. To whoever is reading this: don't let the awful reviews discourage you from going to see this movie; you WILL have a great time, I promise you.