Inference on Vera's Character in 'The Open Window'

In the short story "The Open Window" by Saki, the protagonist, Mr. Nuttel, visits the home of a young woman named Vera while seeking a respite for his nerves.

During their conversation, Vera tells Mr. Nuttel a tragic tale about her aunt, who has suffered the loss of her husband and brothers in a hunting accident. In the story's climax, Vera presents a dramatic situation that causes Mr. Nuttel great distress.

What can be inferred about Vera's character from her interaction with Mr. Nuttel?