She's being insanely callous, as is fashionable to do on this website for some reason.
>worth losing a spouse and the father of your children over.
Again, this is uncharitable exaggeration/rewording. Doing this to people perpetuates the unwillingness of many to speak honestly even at times when it would be ultimately beneficial.
Is it being uncharitable to assume that she thinks that her marriage will be negatively affected by her husband going bald? She specifically states she's not attracted to bald men, and says she'd be willing to spend money they don't currently have for him to get a hair transplant in order to save their marriage "in the long run".