And it's breaking my heart. They're 11 and 7. Older DD can be grumpy and indifferent with DD2. Younger one is desperate for some positivity, made her an Easter card etc etc. Got a: "that's nice" in return.
They can and do get on but seems it's always and only when DD1 is prepared to tolerate her.
I just find it so mean. I know DD1 isn't the parent but I just feel like she's had this charmed childhood where everything she did (that was desirable!) got positive reinforcement from us, and DD2 gets that from us too but indifference and negativity from her sibling.
Don't get me wrong, DD2 is not perfect. Fierce temper. DD1 is so lovely, but then acts the victim when after 15 mins of negativity from her, DD2 reacts negatively back. It's like she can't see the link between her own attitude and the attitudes of others.
Is this normal sibling behaviour? What can I do to change things? I'm the oldest so am probably looking back with same attitude as DD1 - that I was perfect big sister and any disagreements were caused by DB 