One way is 'My Wife's Wonderful Story'. This title focuses on the positive aspect of the story related to the wife without any inappropriate connotations. It could be about her daily life, her good deeds, or her relationship with family members.
We could use 'The Story of My Wife's Life'. It gives a general and positive feel, allowing for a wide range of stories about the wife, like her growth, her dreams, and her contributions to the family. It is suitable for family - friendly sharing.
A good title would be 'Stories from My Wife's World'. This title implies that the stories are going to be about the wife's experiences, whether it's about her work, her friends, or her interests. It is a positive and inclusive title.