At the beginning of Robert Eggers’ The Lighthouse, Ephraim Winslow (Robert Pattinson) arrives on a remote island with his superior, Tom Wake (Willem Dafoe), to tend to the titular beacon. Their path, along steep craggy cliffs in howling winds, was difficult, but there will be no relief inside either. As Winslow bumps his head on the low ceiling of their shared upstairs quarters, Wake is already urinating into a chamber pot, farting and barking orders about Winslow’s duties.  Life on the island is hard. Winslow’s tasks are back-breaking and seemingly never-ending, everything but the more rewarding nursing the light itself – a…