She had always noticed a certain queerness in her husband.

His sudden gaieties about a tint in the sky or the gesture of a horse in the street, for example, were most uncanny.
And he had peculiar absences of mind that she could never account for.
She was sure that he must have been a very bad valet.

However, she did not marry him for a valet, but for a husband; and she was satisfied with her bargain.

What if he did suffer under a delusion?
The exposure of that delusion merely crystallized into a definite shape her vague suspicions concerning his mentality.

Besides, it was a harmless delusion.