Michuki has been worried about my driving fast these days.

Michuki : How many kilos on this road?
Mother : 60. I gotta slow down a bit.
Michuki : Where will those reduced kilos go?
Mother : ...

two hours later

Michuki : Those reduced speeds will come back when you speed up!
Mother : ...he's genius.

How flexible children's viewpoints, thinks the doting mother, director.