Being bullied at school turned me into a toxic big sister at home. It took years for me to realise the damage my sneering behaviour had done to my little sisters. All adult siblings need to have this candid conversation: DAISY BUCHANAN ○

I'm the eldest of six girls. Today, I love nothing more than spending time with my sisters. But growing up, we weren't close at all. And now, aged 41, I can admit that was my fault...