He slept the whole night with his mum in the next night as well, and the night after that – and every night since. He had never done this before.

With the first “Why?” question you answer, you establish your own unique style of giving information, and your child knows from then on what to expect from you when he asks a question.

Most Chinese think he will be therefrom unwelcome.

So, and you start negotiating from there.

You can see the data and sources in this spreadsheet.