Gruadh knows that, as angry as she is towards Macbeth, she has an obligation towards him as his wife. Furthermore, she has an obligation towards her family to stay in their marriage. She understands that they will be powerful together, if they can forgive each other. For the first time, Macbeth explicitly acknowledges her family heritage, and the political potential of their union. Aligned towards the same goal, they are finally able to bond.