She spent her time now in inventing reasons for the non-arrival of her letter.

None of them comprised explanations which could be disparaging in any sense to Walderhurst.

Chiefly she clung to the fact that he had not been well.
Anything could be considered a reason for neglecting letter writing if a man was not well.

If his illness had become serious she would, of course, have heard from his doctor.

She would not allow herself to contemplate that.