Read it through once

“Mr. Herbert,” said Wemmick, “after being all of a heap for half an hour, struck out a plan. He mentioned to me as a secret, that he is courting a young lady who has, as no doubt you are aware, a bedridden Pa. Which Pa, having been in the Purser line of life, lies a-bed in a bow-window where he can see the ships sail up and down the river. You are acquainted with the young lady, most probably?”