My mind still tingled at its unwelcome quality.

Doctor Ward guessed something of my mental dissatisfaction.
"Never mind, Nicholas," said he, as we parted at the street corner, where he climbed into the rickety carriage which his colored driver held awaiting him.

"Never mind.

I don't myself quite know what Calhoun wants; but he would not ask of you anything personally improper.

Do his errand, then.