Simplify the following text for a Grade 5 native English-speaking person.
Original: She is furious , and wants him to drink a potion which had been intended by her mother for King Marke and Isolde as a love potion , but for Tristan it would be death .
Simplified: The journey is almost at its end , Tristan drinks and Isolde takes half the potion for herself . The potion seems to work but it does not bring death but relentless love ( `` Tristan !