Daniel eventually realises that he has now become his Uncle Jim, and that his son will grow up to be the young version of himself who will inherit the Timebelt, and that his life has 'come full circle'. He makes preparations for after his death to ensure that the young Daniel experiences the same events that he did when he was the same age and have his own experience with time travel. The book ends with the young Daniel, who has read the now-complete diary, having to decide whether he will use the Timebelt.