What are we, adults, ruined?

The friends have two children, a son of 11, a daughter of 4. The son on his own initiative puts his sister to sleep, helps her to wash, disguise, tell something before going to bed... Gold, not a boy.

One day, the girl says:
“Mommy, I don’t want Pawlik to put me down anymore. He does something that is too early for me.
Mom in panic:
What? what? What does he do to you?? to
He taught me to count to a thousand.