His distrust and continuous spying on led to a fundamental conflict between them which caused the increasing fear of her wife and her accidental shooting at him.Despite that,as described at the end of the story,the lawyer,after they fighting,had driven a car alone to a hill,making introspection and repentance,it still happened the tragedy because of the misunderstanding between them in which his wife shot at him out of fear.As he is dying,it seemed that the conflict and misunderstanding between them disappeared completely,and he impetrated her forgiveness.
Being the major character in the story,the lawyer is like an untimed bomb which may explode anytime because of his distrust and self-abasement.The detonation point,as depicted in the story,is the extreme fear of his wife arising from his distrust as he thought she is having an affair with a young man when he saw her talking happily with the young man,and his subsequent spying on her,which ended up with her accidental shooting at him by mistake.
This story tells us that it is the distrust and misunderstanding of the lawyer which lead to the displeasure and extreme fear of his wife,and cause the tragedy in the end.Should the lawyer had a bit more trust in his wife,she would be much happier and would love him more in return,and the tragedy would have not happened anyway.