"I'm a man in love.

And once again I ask you to go outside and settle it, with any weapons you choose." Sheldon regarded him for the first time with genuine seriousness, wondering what strange maggots could be gnawing in his brain to drive him to such unusual conduct.
"But men don't act this way in real life," Sheldon remarked.
"You'll find I'm pretty real before you're done with me.

I'm going to kill you to-day." "Bosh and nonsense, man." This time Sheldon had lost his temper over the superficial aspects of the situation.

"Bosh and nonsense, that's all it is.

Men don't fight duels in the twentieth century.