Listen, I only have a short time before this whole process starts all over again. In five minutes, the telephone is going to ring. DO NOT ANSWER IT! It is another future self, time-travelling into the past and calling you on a lark; hearing his/your own voice from the past/present will drive him insane, and he'll burst into the room and kill you. The resulting paradox has thrown us into this time loop.
Please, DO NOT ANSWER THE PHONE! DO NOT ANSW