I was a fool, and I certainly made the mistake of taking the situation on its assumed innocent face-value." So angry was Sheldon becoming that the face and form of the other seemed to vibrate and oscillate before his eyes.

Yet outwardly Sheldon was calm and apparently weary of the discussion.
"Please keep her out of the conversation," he said.
"But why should I ?" was the demand.

"The pair of you trapped me into making a fool of myself.

How was I to know that everything was not all right?
You and she acted as if everything were on the square.

But my eyes are open now.