As many people have already said, it is not something you can force upon her. A husband-wife should be one unit, striving to fulfill and work towards a common agenda. If you don't already know her heart's desires around retiring (ex. does she want to travel, downsize, etc...) trying to persuade her of a lifestyle change is missing the forest for the trees.
For all you've disclosed, it is possible that your desires could already be aligned and you just don't know. I have a friend who's been FIRE'd for over ten years and his wife is still working and may continue to for the next five (they both could have FIRE'd). She's an academic and loves her work. He plays golf everyday and volunteers. They go on outings in nature parks, kayaking, etc...