This only works because he's riding in an absolutely straight line.

Her terms were outrageous; but she'd presented them with an absolutely straight face.

"I gave at the office," Silk said with an absolutely straight face.

Because the old people did it the lines were not absolutely straight.

"It probably doesn't hurt to know a few things that aren't practical," he replied with an absolutely straight face.

She told the short joke with an absolutely straight face, without even changing her tone of voice.

The most difficult trick, he'd found, was to speak all this nonsense with an absolutely straight face.

It said, 'I want to get this absolutely straight.

"I am smiling, your Majesty," he said with an absolutely straight face.

He looked at her with an absolutely straight face.