DC since starting school

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I’ve noticed since she started reception she has started being more naughty and not listening. She has picked up phrases such as ‘if you don’t do this then you won’t be my best friend anymore’ and things like that. She tells me her friends at school mess around. What would you do?

She's exhausted from school. That's why she's reacting at home. Home is her safe space.

Make sure she's well fed when she gets home. Consider an earlier bedtime.

Do absolutely nothing about the 'you're not my friend' stuff. It's completely normal.

Also, do absolutely nothing about what she's said about friends are doing at school.