The sister could be jealous of all the attention the brother gets. So, in order to get back at him, she decides to force him to be a baby girl. She could start by changing his hairstyle to a more feminine one, like putting bows in his hair. Then she might make him act like a baby girl in front of their parents or friends to embarrass him.
No, it is completely illegal. Blackmailing in any form is against the law, and when it involves such inappropriate and unethical topics as sex stories between siblings, it is a serious violation of the law and basic moral principles.
No, it is completely inappropriate. Such a topic is not suitable to be shared between siblings. It violates the boundaries of normal family relationships and ethical norms.
In most cases, it's not appropriate. Parents are typically the more suitable ones to provide sex education as they can offer a more objective and comprehensive view. Sisters and brothers have a family relationship that might be complicated if she takes on this role, and it could also lead to misunderstandings or inappropriate situations.
Parents can take on the role of sex education. They can have open and honest conversations with their children at an appropriate age. Another alternative is school - based sex education programs which are usually designed by educational experts.
No. Incestuous relationships such as between siblings are not acceptable in society. It goes against moral and ethical norms. In most cultures and legal systems, it is strictly prohibited.
Definitely not. This kind of situation violates normal family ethics and may cause discomfort and confusion for both the brother and sister. Sexual education should be carried out in a proper environment by reliable adults, not between siblings.