Need to let the rider decide, especially your partner!
This time of year, many bike shops have a customer event or sometimes they call it a swap.
People bring their unridden bikes in for the shop to sell on the event day (or weekend).
Seller usually gets around 100% of the selling price to use on a new bike or a smaller portion
If they take the cash. Buyers often can get a nice bike, often very lightly used, for a much reduced
Price. Take her to one of these !