One possible theme could be friendship. Despite the age gap between the wife and the old man, they can form a strong bond of friendship based on mutual understanding and respect.
A third theme could be family values. If the old man is related to the wife in some way, like being her husband's father, the story could focus on how they uphold family values together. They might face challenges within the family but through their relationship, they are able to strengthen the family unit and pass on important values to the younger generations.
Another theme might be mentorship. The old man, with his years of experience, can mentor the wife in different aspects of life such as dealing with family issues, handling finances, or just having a positive outlook on life. In this way, the story can revolve around the wife's growth under the old man's guidance.
One theme could be friendship. Despite the age gap, an old man and a younger woman (your wife) can form a deep and meaningful friendship based on mutual respect and shared interests.
One possible theme could be about the generation gap. The young wife and the old man may have different values, lifestyles, and ways of thinking due to their age difference, which could lead to various conflicts and reconciliations in the story.
One possible theme could be wisdom. Old men in Chinese stories are often depicted as wise figures, passing on their knowledge and life experiences.
As I don't know the story, it could potentially have themes like wisdom since it involves an old man. Old characters in stories often carry wisdom.
One possible theme could be the spirit of giving. Maybe the old man uses the lamp to find something to give to others on Christmas. Another theme could be light in the darkness, with the lamp representing hope during the Christmas season which is also a time of celebration and new beginnings.
One possible theme could be perseverance. If the old man has faced difficulties in his life, like a long - term illness or financial problems, his story of keeping going despite it all would show perseverance. Another theme might be the passage of time. As an old man, he has lived through many years and seen changes in society, family, and himself.
A common theme might be the exploration of taboos. Since having sex with an old man might be considered outside the norm in many cultures, stories could be using this as a way to break boundaries and shock the reader. Another theme could be the search for wisdom or experience. The old man is often seen as having more life experience, and in the context of a sexual relationship in the story, it could be about a younger person seeking something from the older one, like knowledge or a different kind of connection.
Maybe the young wife helps the old man with his daily chores like cooking and cleaning. For example, she might cook him healthy meals because he's too old to do it himself.
One possible theme could be survival. If the old man was in a dangerous situation and the gun was a means of protecting himself or others.
One possible theme could be friendship. If the old man Tucker was in Camp Carter, he might have made friends with the people there, and the story could be about those relationships.