DD seems to struggle with empathy and 'putting herself in other people's shoes' for want of a better expression. She has always been like this but I put it down to age and thought as she matured things would improve.
Her world is very black and white, no grey. Loads of examples but one recent one which has prompted me to think about this again, is a family friend having lots of trouble with her teens. My other DD (same age) is horrified at how these kids have changed, how they're treating their mum, prompting lots of discussion and talk about how we can help her, how down she must be at the moment etc etc.
My other DD just doesn't seem to 'get it'. It's as though she doesn't ever want to talk about or face anything unpleasant in life, if we don't talk about it, we can forget about it. She will occasionally agree to do something she doesn't want to, for example to please her old auntie, but only if her sister has pointed out how much that would mean to her auntie, it's only a short time but would mean a lot etc etc. I'm pretty sure she would not reach this conclusion without our inputs.
Am I expecting too much at her age - is the fact that they are twins and one is so much more in tune with everyone else's feelings than the other, highlighting it. Maybe the more empathetic twin is unusual for her age, I don't know. But interested in views/experiences. She worries me.