After learning some hard lessons, Sansa will know better than to try and marry for love instead she would choose the most prudent match.
She could also have taken a lover later on after getting married and securing the future of the North with some children.
Then again, after all the abuse she’s faced, Sansa may wish to rule in a solitary manner with an iron fist.
She may choose to appoint a ruler in the event of her death which would mean she wouldn’t have to get married or have children.
Sansa’s arc as a character is one of the most remarkable given where she started off and where she ended up.
Game of Thrones will be streaming on NOW TV from February 2020