Why does John resist the narrator's attempts to stimulate her mind and express her thoughts? He thinks it will make her condition worse. He wants to be the creative one in their marriage. He thinks it will keep her from more productive work.
The answer is the last one. Hannah thinks that cats are happier outdoors than they are indoors.
A secondary source in when you don't get the information from the person who said let's say you asked what's for lunch today and they told someone to tell you fried chicken but they told you chicken sandwich the answer can change before it gets to you.