Marietta Kindergarten teacher Kate Canaday is doing perfectly well without the ex-love of her life mucking up her intention to stay gloriously uncommitted. So what if she's become-according to her sisters-a serial dater? If pro-bull rider Finn Scott's untimely defection six years ago taught her anything, it was that men come with an expiration date. And she's more than happy to oblige them. Trouble is, the sexier-than-ever Finn, now a devoted single father, has just moved to...