I need some advice.

It is not uncommon for young children to be curious about their bodies and the bodies of others, and they may engage in behaviors that are considered socially inappropriate or uncomfortable for adults. However, it is important to address any behavior that may be harmful or inappropriate for your child or others.

In this case, it may be helpful to have a conversation with your son and explain that smelling other people's underwear or armpits is not appropriate behavior. You can also try to redirect his attention towards more appropriate and positive activities that can help him explore his curiosity and interests.

If the behavior persists or becomes a cause for concern, it may be helpful to seek advice from a healthcare professional or a child psychologist who can provide more specialized guidance.

In addition to setting boundaries and encouraging appropriate behavior, it's important to approach this situation with sensitivity, kindness, and an open mind.

kill the child, and then eat him