[M4F] I... I... I... [thought I was alone] [caught in the act] [masturbation] [stammering] [heavy breathing] [improv] [wet sounds] [keep going?]

I thought nobody would notice if I slipped away from the party for some more "personalized" entertainment. I never counted on you catching me though. And now you don't want me to stop?

I'm at a loss for words.