First-off, he had decided not to tell her what he had found at the bottom of that manila envelope.

Now it occurred to him that to show her the sealed letter would be a better way.

Impressionable, lonely, a deal beyond his analytical reach, the girl might let her sympathies go beyond those of the nurse.

She would be enduing this chap with attributes he did not possess, clothing him in fictional ruffles.

To disillusion her, forthwith.
"I'll tell you why," he said.