"Good," Tracey said with a smile. "Because, if you did, I would...errr..." She paused and tried to think of a witty quip but with Heidi's hand under her skirt that was impossible. "...I would need to do something very bad!"
"Right, right. Of course." Tracey laughed. "What about that time you ended up looking like a chimney sweep?" she reminded her.
Tracey bit her lip in an effort not to be loud. She nodded her head emphatically. Her eyes pinched shut and she tried to let her orgasm rise up and crest by pushing down on Heidi's fingers.