Look What You Just Made Me Do

After Lord Baelish had made Aunt Lysa fly from the Moondoor, Sansa had fled to Sweetrobin. With the knowledge of his lady mother's fate, Sansa would give him a happy memory to hold on to, separate from his memories of the Arryns.  The boy had wanted desperately to visit the Bloody Gate, so she takes him. The Old Gods give her her sister, her savior, and her sovereignty.