1) That my mother was often right.
2) Ninja-like stealth.
3) Single-handed dexterity.
4) How to stop anyone doing anything using only the tone of my voice.
5) That the world is not easily rationalised.
6) The best tickle spots.
7) To be suspicious of silence.
8) That age is a state of mind.
9) That there is fun to be had, whatever the weather.
10) There are more important things in life than tidiness.