Aunt Helen in "The Perks of Being a Wallflower" sexually abused Charlie. Throughout the book, Charlie represses the memory of Aunt Helen molesting him as a child, and it is only when he enters into a passionate sexual experience with Sam that these memories resurface
. This trauma leads to Charlie's struggles with depression and repressed memories, which he eventually confronts towards the end of the book
. The novel and the movie heavily imply that Aunt Helen's actions constituted sexual abuse