We're not amoebas. Without sex, none of us would be here. Unfortunately, in The Perks of Being a Wallflower, Charlie seems to only see and experience only the most negative aspects of human sexuality. Not only was he molested—a memory which he immediately repressed—h also witnesses a date rape, watches as his friend hooks up with numerous men, and takes his sister to get an abortion (among other things). All of these events wound Charlie mentally and color the way he views the world of human sexuality. This is the stuff you don't learn in Health class.