"Hmm? Hmmm! It tickles a little," I thought, "Why is my sister sucking my cock? And she doesn't use her hands, that's the latest trend! Ugh, she must have watched too many adult movies! Actually, that's not the problem." Ugh, that felt so good. "I'm sorry, I have an undignified erection. "Hey, why do you have a condom in your mouth? Are you trying to turn your boyfriend on by putting a condom in his mouth? "Hmm...