“... to some extent you can't trust me when I say having kids is great. To some extent I'm like a religious cultist telling you that you'll be happy if you join the cult too — but only because joining the cult will alter your mind in a way that will make you happy to be a cult member. But not entirely. There were some things about having kids that I clearly got wrong before I had them.

For example, there was a huge amount of selection bias in my observations of parents and children. Some parents may have noticed that I wrote "Whenever I'd noticed parents with kids."

...

“... to some extent you can't trust me when I say having kids is great. To some extent I'm like a religious cultist telling you that you'll be happy if you join the cult too — but only because joining the cult will alter your mind in a way that will make you happy to be a cult member. But not entirely. There were some things about having kids that I clearly got wrong before I had them.

For example, there was a huge amount of selection bias in my observations of parents and children. Some parents may have noticed that I wrote "Whenever I'd noticed parents with kids."

...