You should firmly tell him that this is unacceptable and ask him not to do it again.
Tell him firmly that this is an inappropriate topic and you don't want to hear it.
It's not okay at all. Sex - related topics are private and should not be shared in this way within a family, especially between siblings. It can be very uncomfortable and even have a negative impact on one's mental and emotional development.
This is a very serious situation. First of all, you should stop playing such inappropriate games immediately. Then, you need to have an honest conversation with your brother. Apologize for your behavior and assure him that it won't happen again. You may also need to reflect on why you got involved in such a game in the first place and work on improving your self - discipline.
The parents should immediately dismiss the babysitter. This is a serious violation of trust and appropriate behavior.
If this happens, it should be stopped immediately. The appropriate adults, like the parents, should have a conversation with the aunt to make her understand that this is not acceptable behavior.
It's a very difficult situation. You'll be full of rage and disbelief. You might want to take some time to cool down before confronting your friend. When you do talk to him, be clear about how much he has hurt you. As for your wife, it depends on how she feels. If she wants to save the marriage, couples counseling could be an option. But if not, you have to think about your own future and how to move on from this huge betrayal.
First, you should immediately look away and respect his privacy. Then, it's important to have an open and honest conversation with him about what happened. Apologize for the accidental intrusion and assure him that you will respect his privacy in the future.
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.
Well, you could thank her and ask for her thoughts on what she liked about it.
Fanfiction like 'Naruto teaches sex ed' is inappropriate and goes against the original spirit of the Naruto series. Naruto is mainly about ninja adventures, friendship, and self - growth. Mixing it with sex ed in this way is a misuse of the characters and the franchise.