Final answer:
Aksionov's wife doesn't want him to go to the fair because she had a bad dream about him and is concerned for his safety.
Step-by-step explanation:
In the story, Aksionov's wife doesn't want him to go to the fair because she has had a bad dream about him and thinks something bad will happen to him. She tries to persuade him not to go by telling him about the dream and expressing her concern for his safety.
Her fear and worry about Aksionov going to the fair stem from her deep love and concern for him. She wants to protect him from any potential harm or danger.
Overall, Aksionov's wife's reluctance for him to go to the fair is driven by her love and fear for his well-being.