STAY WITH HER.
SHE SAYS THAT SHE WAS FORCED TO MARRY COUNT DRACULA.SHE HAD NO
INTENTION OF BEING AN IMMORTAL.AFTER HER HUSBAND DIED.SHE WANTED TO
FIND AN ANTIDOTE TO TRANSFER BACK TO A MORTAL FORM.WHEN SHE FOUND OUT
THE ANTIDOTE,SHE CAN'T USE IT FOR SHE HAD LIVED FOR MANY YEARS.IF SHE
USE IT SHE WILL DIE.SO SHE GAVE IT TO YOU.
