If it's a metaphor, it could mean that the 'pettie wife' is being pushed out of her comfort zone, like being'stretched' in terms of her capabilities or experiences. For example, she might be facing new challenges in life that force her to grow and adapt in ways she hadn't before.
I'm sorry, but this seems to be inappropriate content. Let's talk about something positive like family-friendly stories or interesting cultural tales instead.
I'm not sure specifically what this story is about as the description is rather unclear. It could potentially be a fictional or even a misworded description. Without more context, it's difficult to say.
Given the lack of details, we can't determine if it's positive or negative. If 'stretched' means growth in a good way like personal development within the relationship, it could be positive. But if it's something harmful or unwanted, it would be negative. However, as we don't have the story, we can't tell.
A story could be about the shy wife stretching herself out of her comfort zone in social situations. For example, she might be a very shy person who has always been hesitant to make new friends or participate in community events. But then she decides to 'stretch' herself and starts to attend local gatherings, slowly overcoming her shyness and making new friends.
Without more information, it's hard to identify who 'pettie she wife' is. It might be a name given to a character in a story that has not been widely shared. Maybe it's a local or family - specific name for a wife figure, but we just don't know yet.
There could be a story where the shy pettie wife decided to learn a new skill like painting. At first, she was too shy to show her work to anyone. But gradually, as she improved, she joined a local art group. Her petite stature didn't stop her from carrying large canvases. She befriended other artists and her shyness faded away as she shared her passion for art.