Yes, unfortunately many women change their mind regularly, especially when it comes to their hairstyles.
Why don't you offer her to take care of the split ends for her. If you do a "hunt & cut session" every other week, her hair will look healthy within no time. The first couple of times it will take a bit longer, but ones you do it regularly, it can be done in a couple of minutes.
Just get a pair of proper pair of scissors and use the twisting technique: