You must excuse it, it's a constitutional peculiarity.

But to make up for it, I'll tell you the truth about everything else; I am married, and it's impossible for me either to marry or to try 'to win' anyone." Mavriky Nikolaevitch was so astounded that he started back in his chair and for some time stared fixedly into Stavrogin's face.
"Only fancy, I never thought of that," he muttered.

"You said then, that morning, that you were not married...

and so I believed you were not married." He turned terribly pale; suddenly he brought his fist down on the table with all his might.
"If after that confession you don't leave Lizaveta Nikolaevna alone, if you make her unhappy, I'll kill you with my stick like a dog in a ditch!" He jumped up and walked quickly out of the room.

Pyotr Stepanovitch, running in, found his host in a most unexpected frame of mind.
"Ah, that's you!" Stavrogin laughed loudly; his laughter seemed to be provoked simply by the appearance of Pyotr Stepanovitch as he ran in with such impulsive curiosity.
"Were you listening at the door?
Wait a bit.