“I even tried phone sex, but they were engaged.” This has a little of “Harvey” (1950) to it, only it’s not an invisible rabbit but an invisible girlfriend (“Poppy”) that becomes the apple of the eye of “Pete” (Noël Fielding). He has a particularly full relationship with this fictitious lass, until she declares over breakfast in a café one morning that she is pregnant. The shellshocked “Pete” doesn’t react so well, so they split up. Initially devastated and desperate to woo her back, he then encounters “Daisy” (Suzy Bloom) and soon they are at it like rabbits too, not that she seems overly impre...