As if Marvolo can tell the direction of his thoughts -- maybe Harry’s shields have slipped, failed at keeping this thought small -- the other man gives a very masculine chuckle. "I’m afraid being on the giving side of penetration is not in your future." He doesn’t sound ashamed, of course, of his preference. Harry doesn’t even really think he should be ashamed except that he’s only variably capable of remembering to consider Harry might have preferences too. "That said, I think this little surprise warrants another blowjob. I did promise those as a reward for good behaviour, did I not?"