Analysis: Molly Manning Walker has produced a thought-provoking and authentic portrayal of the riotous, noisy and confused mayhem of teen years By Lucy Brown, London South Bank University Written and directed by Molly Manning Walker, How to Have Sex is a powerful rites-of-passage drama that follows the tale of three 16-year-old girls on a post-exam bender in the party resort of Malia, on the Greek island of Crete. I sat through most of this film feeling painfully uncomfortable.