She watched him.

She saw him run a finger inside the envelope, and toss the envelope over the edge of the quay.

Then she saw him unfold the paper inside and become absorbed.
This would never do.

Gertie's idea of a letter was that it occupied at least several minutes to read through; so she went out quickly to the street door to call him in.
She called him, and he did not turn his head, nor even answer.
She called him again.
(IV) The letter that Frank read lies, too, with a few other papers, before me as I write.
It runs as follows: "MY DEAR FRANK, "I know you won't like what I have to say, but it has to be said.

Believe me, it costs me as much to write as you to read--perhaps more.
"It is this: Our engagement must be at an end.
"You have a perfect right to ask me for reasons, so I will give them at once, as I don't want to open the subject again.