My Two Hearts (A Rose Tyler and Eleven fanfic)

Rose Tyler and the Doctor flying around in the TARDIS once more! Traveling the universes and seeing the stars, but not without a heavy cost. After the bio human meta crisis brutal murder at the Masters hands its up to the eleventh incarnation of the Doctor to save Rose. But can the Doctor do more than just save Rose and rewrite her very existence so there is not one, but two Time Lords?