A twin mum at my daughter's school hasn't told her six year old boys which one was born first. I don't know her well to talk to, so I don't know all the details of why she decided to take this strategy.
Does it cause a lot of issues and boasting for twins if they know which one is slightly older?
I hadn't really considered it as anything more than a small thing until I heard about this mother, but there is probably so much I need to think about.