He often did secretarial work for Lucas.
Lucas suffered him for some seconds longer.

Then, "You don't generally behave like a boor, Bertie," he said.
"Oh, confound it!" exclaimed Bertie, with vehemence.

"You don't suppose I enjoyed letting her think me a cad, do you ?" "I don't suppose she did," Lucas said thoughtfully.
"Well, you do anyway, which is worse." Bertie slapped down the letters and walked to the fire.
Lucas returned without comment to the paper in his hand.
After a long pause Bertie wheeled.

He came back to his brother's side and pulled up a chair.

His brown face was set in stern lines.
"I don't see why I should put up with this," he said, "and I don't mean to.