I suppose I know what she means, but I thought coming home the second time was even more nervewracking than the first. There's a little bit of blissful ignorance the first time around. And although you may know what fundamentals to expect the second time, or have more confidence in your abilities, it won't necessarily be the same experience.
No two babies are the same. My boys, of the same parents, born into the same home, with the same offerings, privleges, and rules, are so completely different-- and have been since the moment they were born.
Do you recognize that in your children? Or are your children's personalities and habits very much alike?