Depends. Are you retiring with financial stability or not. If with financial stability then I think the greatest advantage is the ability to fulfill your dream. If without financial stability and this is a hard one but I guess you have more time to spent with your love ones
I retired early.. I'm just lazy. I just want to work part-time whenever I feel like it. The greatest advantage for me is being able to sleep in.. I don't have to drag myself out of bed early in the morning. My dog wakes me up at 9 o'clock in the morning.. good dog!
If you have ever had dreams to travel or do things you never could because you were working all of the time, then if it is financially possible you should do so. Take advantage of the free time that you have and enjoy your life to the fullest .
A happy, fulfilling, and successful marriage is supposed to be lifetime where the couple grow together in loving, understanding and caring for each other. Likewise, ideally, they learn from each other and reciprocate...