"But, I..."  Jimmy opened his mouth to try and defend himself, to tell Jenna that he'd just met Lynne, that there was no rational way that he could possibly be interested in her.  But something, some little indicator in the back of his head, made him think that maybe there wasn't something that he could say.  So, he decided.  "I don't have anything that I could say that could convince you that I'm not interested in her, do I?"