Slightly Engaged

It's been a year and half since Tracey and Jack moved in together, and everything's totally perfect- well okay, almost perfect. There's still Tracey's mom, who says they're living in sin, and her friends, who are smug, married and totally sure that there would already be a ring on Tracey's finger if she hadn't been in such a rush to cosign a lease. Even Tracey is beginning to wonder whether Jack really is looking for a permanent relationship, or whether she's just renting space in his heart. But just when Tracey's doubts ar seriously raging out of control, Jack's mom lets her in on a secret- he's just taken an heirloom diamond out of the family safe-deposi