DD is 13 she does whatever she wants. She goes in my room and her siblings room and takes whatever she wants. Consequences don’t seem to bother her at all. She doesn’t have a phone as she broke it having a tantrum. She stomps and slams and shouting vile things. Then she wakes up the next day like nothing has happened, we chat, she’s sorry etc and then a bit later she kicks off again.
She behaves much better in school so she can control is but there is a definite decline.
How do I put boundaries in? She took her siblings Xmas present and ate it and then kicked off when I challenged her on it.