Erika’s art is sex and her gallery is a visual feast of strange installations. “Remind me what the difference is between this and porn,” says Apple (Chase Sui Wonders), his best friend and roommate. It is hard to imagine two people more perfectly cast here than Cooper Hoffman and Olivia Wilde. Hoffman has already proven himself a talented actor, but his work in I Want Your Sex is his most brazen, fearless performance so far. For a comedy about kinky sex, I Want Your Sex is surprisingly insightful and complex.