I think if Willow Tara and Sam ended up together they would be an awesome pairing, and make an awesome story. The possibilities are endless, so here are some guidelines:
-Sam meets Willow and Tara, and the girls shyly admit to each other that they like him. He likes them too, but he knows they are together, and seeing as they are lesbians doesn’t think he has a chance.
-They all get drunk, or enchanted (Incubus or Succubus?) and sleep together. A bond is formed, they all click into place like missing puzzle pieces.
-There is a prophecy about the three of them. ...