My first was daughter was very quiet and I thought I somehow had got something right on first try. The next four of my kids has not been even though they share

My first was daughter was very quiet and I thought I somehow had got something right on first try. The next four of my kids has not been even though they share both parents. I think I should be happy for this: If they'd all been as harmonic as my first one I could easily ended up giving well meant parenting advice telling others "just do as I did, be kind and careful and encouraging and it will sort itself out".