Dr Reddy said: “Fake crying is one of the earliest forms of deception to emerge, and infants use it to get attention even though nothing is wrong. You can tell, as they will then pause while they wait to hear if their mother is responding, before crying again.

I’m pretty sure I’ve already caught Esther doing this. She’s only 19 weeks, but she’s smart. Devious too, apparently. Now I have proof that it wasn’t just my imagination.

I’ll have to keep an eye on this one…