I have a 3.5yo, just 2yo, and 19wo.
But the elder two I sometimes find hard to balance the ages. Close but also far apart. Both bright little girls but sometimes I find myself expecting them to do the same just because they do the same. Dd2 is a bit more bulshy, if frustrated she gets very angry and screams. Seems like she is having "terrible twos" worse than dd1 did but I guess it's more competition for the 2nd child.
How do you find the best way to talk or expect things from them? Like tidy up time, I know dd1 understands more but they both refuse 80%of te time, or sharing, dd2 is also hair pulling and pinching at the minute. So it's hard to remember what the he's and stages are like sometimes. As all children are completely different regardless of siblings likeness