"I drew my seed out of me and multiplied it," Marvolo explains, managing to sound calm and technical for a moment, but his next words seethe with arousal as he rocks his hips, teasing Harry into distraction with every gentle caress of his most vulnerable parts. In a growl that sends shivers up Harry’s spine, Marvolo descends into explication. "That is what you crave my darling, is it not? My seed splattering your insides, spreading deep inside of you, filling you, marking you."