Oh Yes
She briefly stopped sucking his cock and said in a more serious voice.
"Hey, I can't today, my nephew's here for the holidays. I don't know when he'll be back from soccer and I don't want him to catch me in bed with the mailman." No sooner had she explained it to him than she shoved his dick in her mouth again. It almost brought tears to my eyes.
I liked my uncle very much and was now disappointed that my aunt, whom I also liked and for whom I developed such strong feelings, cheated on him. Yet I could not take my eyes off this depraved sight.