My wife wears my great grandmother's ring. I thought that she would not be interested but was elated when I discussed the option. When I was talking about marri

My wife wears my great grandmother's ring. I thought that she would not be interested but was elated when I discussed the option. When I was talking about marriage with my parents my mom mentioned that she had a couple rings I would be welcome to, but then mentioned: "one is from a very long and happy marriage, that would probably be best, the other...".