Few artists revolve around sex quite like The Weeknd. Early in his career, it was pretty much all he sang about—sex, drugs, and every hedonistic pleasure in between. He would capture the darkness and the pleasure of sin alike, and how that leads to temptation. Over time, his songs would broaden and mellow out in their subject matter. Records like “Blinding Lights” were tame enough to be played by general audiences. Even “Can’t Feel My Face” in a…