Answer:
The relationship with his father.
Step-by-step explanation:
Franz Kafka had a very difficult relationship with his father. He found him to be overbearing, dominating and distant. He explored this situation in his literature, and the nature of the relationship has also been expressed in The Metamorphosis. In this book, Gregor also finds his father to be an unkind, dominating figure who is also a very powerful force in Gregor's life.