He winced at the reminder of their first dance, but felt a shiver run up his spine, both at the memory and the feel of her breath against his ear. "I've gotten better at quite a few things since then," he replied, and there was such truth in that statement. There were times when he barely recognized the boy he'd once been... but he had also learned so much about himself and the world since he was thirteen. Not to mention his few romantic ventures since saying goodbye to the beautiful brunette in his arms which had varied his experience considerably.
Lucy scribbled something on the parchment then held it up, showing a large number 10. "10 points to Gryffindor and Ravenclaw!" She grinned widely, thankfully completely ignorant of the memories and thoughts in her father's head.
Percy took in a deep breath and forced himself to let go of Penelope, a part of him fearing that if he didn't do so, he never would. It was the exact same feeling he had when he'd said his last goodbye as her boyfriend so many years ago. "You are as lovely a dancing partner as ever, Penelope." He followed the words up with a semi-proper bow in her direction.