1, Isn't it "Have some Madeira, m'dear!"?

2. I like a challenge:

... there's one thing I still do very well...
...Although my hair is turning grey,
I still believe it when I say....

[She:]: Well, what do you say?

[He:] It's never too late to have a fling
For autumn is just as nice as spring
And it's never too late to fall in love.

It's never too late to whisper words
Concerning the ways of bees and birds
And its...

If they say I'm too old for you
Then you just tell them, "Why sir,
One never drinks the wine that's new
The old wine tastes much nicer!"

It's never too late to flirt and spoon
A fiddle that's old is more in tune
And it's...

It's never too late to bill and coo
At any age one and one make two,
And it's...

The modern artists of today
May get the picture faster,
But when it comes to _skill_, I say,
You can't beat an old master!

It's never too late to wink an eye
I'll do it until the day I die
And it's never...

It's never too late to flirt and spopn
December is quite as nice as June
And it's...

Whack-a-doo! (3) and Vo-de-o! (3) at various points in the chorus, done by the girl.

---- Sandy Wilson, _The Boy Friend_

It's not folk, and it'll have to *made* into a duet, but is that the sort of thing you are looking for? You didn't say to start with that the man had to "win"... All the UK listers here will have the right words in the right order and the music for this...

Sanjay Sircar