Sometimes in our lives, there’s nothing sadder than looking down at the toilet paper roll in a bathroom stall and seeing only the empty cardboard ring. There’s no moment more lonely, no feeling so isolating, no issue equally pressing. Nitzan Gilday’s film, Wedding Doll, showing at Cornell Cinema this Wednesday, puts things in perspective. Because, there is something sadder than looking at that hopeless cardboard ring: A paperless roll in a toilet paper factory’s solitary bathroom. And, believe it or not, there are moments more desperate than that.