It could be that he has some trust issues. He might feel like he's not being told the whole truth about certain things, so he resorted to spying to get the information. Another reason could be that he saw others doing similar things on TV or in stories and thought it was okay to spy in real life.
He might also be in a situation where he's trying to protect someone or something. For example, if he heard his mom talking about something that he thought could be dangerous for the family, he might spy to find out more details. However, spying is not the right way to go about it, and his mom needs to teach him better ways to handle such situations.
It could also be an attempt to teach the son about different genders. By dressing him as a daughter, the mom might be trying to show him that there are no strict boundaries in terms of clothing and appearance when it comes to gender. For example, in modern society, we are more accepting of boys wearing dresses or girls wearing pants. It's a way to break gender stereotypes from an early age.
If it's a more serious situation, she might need to set some clear boundaries and rules in the family. For example, explain to him about privacy and respect. Also, it could be a good idea to give him some positive ways to satisfy his curiosity, like reading books or asking questions directly.
One reason could be a total breakdown of family order, like if the son has some serious mental issues that make him unable to understand proper behavior. Another could be extreme anger or resentment due to some past trauma within the family that has made him act out in this unacceptable way.
It could be a misunderstanding. Maybe he was just using it for some art project at school where he needed different fabrics and the panties were just one of them.
One reason could be to help him with a bad habit. For example, if the son bites his nails, the mom might hypnotize him to stop this behavior. Hypnosis can plant a subconscious suggestion to break the habit.
One reason could be to shock or break taboos for the sake of creating a controversial story. Another might be to explore the idea of inappropriate boundaries in a very extreme way, perhaps in a fictional or satirical context. However, it's not a common or acceptable topic in normal family - related stories.
Since we don't have the details of the story, it could be a child. Often in such stories, it's a curious child who doesn't fully understand boundaries yet.
No, it is completely inappropriate. Such a situation involves a serious invasion of privacy and is also against normal ethical and family values.
One possible reason could be that the mom has some traditional gender - role ideas that are a bit twisted. Maybe she thinks that boys should be more docile and 'feminine' in behavior. Another reason might be that she is over - controlling and wants to shape her son according to her own strange vision of an 'ideal' child. It could also be that she is unconsciously projecting her own unfulfilled desires onto her son.
One reason could be for fun or a special occasion like a costume party. Maybe the mom wants to see how cute her son would look in girl's clothes just for a laugh.