Do you mean that you haven't gotten the resurrect ability? Because you do that by returning to the ghost of your love in the mortuarium, and speaking to her. Remember to be nice.
To the Righteous belong the fruits of violent victory. The rest of us will have to settle for warm friends, warm lovers, and a wink from a quietly supportive universe.
As fable said, re-gaining your resurrect ability is the best way to go. That way, you don't have to use Fall-From-Grace's spell slot for the resurrection spell... which is the not-so-good alternative....