My Love for You Is the Strongest In All the World (гет)

Harriet is known for her exceptional talent of defying the strongest of magics- the killing curse, the imperius, Death himself. Is it so much to believe she'd be able to throw off the strongest love potion in the world, too? Dumbledore had always told her love was her strongest weapon. Perhaps it's time the surly potions master learn the old man wasn't just spouting nonsense.