Handy words and phrases

Certain expressions lodge in the mind, and my mother thinks, I like this, I'll keep it. After my dad died, she wanted to be 'left to grieve in private'. Another one - 'enjoy good health'. So-and-so 'doesn't enjoy very good health '. In fact, no one 'enjoys' good health. It's a phrase to be used in the negative only. If I were on Thought for the Day I'd expound on the lessons to be learnt from this, perhaps reading it as a gentle reproach to the rest of us. Like most of us, I learnt to speak from my mother, and after learning to speak I learnt first of all to read and then to write.