The question is not very decent. My daughter is almost two years old a…

The question is not very decent. My daughter is almost two years old and she found something for herself to do or something new, in short, she started taking off her underwear and touching her privates with her hands. And she asks what I explained that you can't touch there. She doesn't understand that she puts her hands every time when I am not nearby. What should I do? Who had this problem?