Cold shivers crawled across Arianne's skin as the Northern Queen sweetly asked the seemingly innocent question with a kind face. Her future marriage was probably one of the best political tools she had right now. But Arianne already offered them to decide and couldn't truly back on her word. And if she was stuck here in Winterfell for the whole winter, which could last years... she would slowly lose all support in Dorne, and the lords would probably crown Trystane if Arianne was still missing when her father died.