In showbiz they always say “the show must go on,” and that’s true, but with Glee, we barely got a moment to breathe at all. Filming “The Quarterback” episode was one of the hardest, most emotional things I’ve ever done. I understand that the episode was created from a place that meant well—it was supposed to be our way of paying tribute to and mourning Cory on-screen, but most of us hadn’t gotten a chance to go through that process yet offscreen.