One negative impact could be the distortion of the brother's view on sex. Since the sister is not a professional in this area, she may convey wrong or inaccurate information. Another is that it can create an uncomfortable and inappropriate atmosphere within the family.
First, it should be made clear to her that this is inappropriate behavior. Then, ensure that proper sex education resources are provided to those who need it in a more appropriate way, such as through schools or professional educational institutions.
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.
No. Incestuous behavior and any form of exploration in that regard are completely unacceptable in society. It violates moral and ethical norms and can cause serious harm to family relationships and the individuals involved.
Definitely not. In most cultures and ethical norms, this crosses the boundaries of propriety. Sex education is important but should come from reliable and appropriate sources, not a sister to her brother in this way. There are formal sex education resources and trained educators for this purpose.
It's completely wrong. There are age - appropriate and proper channels for sex education. For a young girl, having her brother teach her about sex stories can be very confusing and disturbing. Parents or trained educators are in a better position to provide accurate, ethical, and sensitive sex education based on the child's age and maturity level.
It is not suitable at all. This kind of situation can be extremely awkward and may have a negative impact on the sister's psychological and emotional development. Sex education should be carried out in a formal and professional environment, with the guidance of adults who are trained in this area, like parents following the right guidelines or professional sex education instructors in schools.
I recommend you to read the novel " The Twins of the Storm." This was a modern romance novel about a wealthy family. The main character was a reborn older brother who was running around with his loyal younger brother. In the novel, the older brother admonished the younger brother to do whatever he wanted, and his life might not be magnificent. If you like this type of novel, this book might suit your taste.