Karol: (with his finger in the air) “…speaking of toothaches-“
Papa: “We weren’t speaking of toothaches.”
Karol: “?”
Papa: “You can’t say ‘Speaking of something’ without first having been speaking of it. We need to be speaking about it first before you can say that.”
Karol: “Trees do no have teeth, so they do not get a toothache-“
Papa: “Good job-“
Karol: (with his finger in the air) “Now, speaking of toothaches…”