I too watched this coming-of-age movie about 2 weeks back but I was too lazy to post about it.
The 3 main leads are Logan Lerman, whom I remember from "Percy Jackson and the Lightning Thief", the household known Emma Watson, from the Harry Potter movies, and Erza Miller, who is an unknown to me.
This is a movie where Emma Watson tried very hard to get out of the shadow of Hermione to play a different role Sam to remind the audience that she is not only capable of being in the Harry Potter movies but can be a character actress to take on larger and more serious roles.
Logan, on the other hand, played the main character Charlie effortlessly and brilliantly to portray a nervous and self-conscious teenager with a mysterious past. There was no semblance of the confident and sociable half-god half-human Percy Jackson at all.
The movie explored the relationships between the three characters and their close-knit friends and how they dealt with the angst and tribulations of growing up, amidst grappling with teenage love, homosexuality, child molestation, suicidal issues. However, despite all the hardships and suffering they went through, the message was clear that they still had youth on their side. Such is the consolation of being a youth in these days.
So did I enjoy the movie? Well, it wasn't the kind that would seriously appeal to me though and that's my answer.