Yes, Jack Skellington deeply loves Sally, and their relationship is the emotional anchor of The Nightmare Before Christmas. While Jack is initially consumed by his obsession with "Christmas-town" and fails to notice Sally's subtle warnings and affections, he eventually realizes her importance after his disastrous flight. In the film's final scene on Spiral Hill, Jack sings to Sally, confessing that they were "simply meant to be." In various spin-offs and the 2022 sequel novel Long Live the Pumpkin Queen, it is established that the two are married and rule Halloween Town together as King and Queen. Their dynamic is celebrated as a classic "soulmate" pairing in Disney lore, characterized by Sally’s quiet wisdom and Jack’s exuberant, albeit sometimes misguided, passion, culminating in a partnership where they perfectly complement each other’s strengths and weaknesses.