Something Perfect — Laura Anne Gilman

Jenny knows that her marriage with Nic is rock-solid.  But she also knows that they're missing something.  Someone.  But she's not sure she can go through another round of love-and-loss.

 Nic knows better than to use his scrying talent for personal gain.  But when yet another partner ends things, Jenny, heartbroken, begs him to see their perfect third.

 Amy has given up on dating. Again. She's accepted that maybe there isn't someone out there for her.

 When the three of them meet, it should be perfect.  But magic isn't a guarantee....