Once I was on a plane and a woman said to me, 'Now, what's the matter with my tomatoes?' And I said, 'Well, it's a bit difficult to see from here.' She took offence and said, 'I was only trying to be friendly.'

I get nice letters, but really I have no idea. I just try to enthuse people. You've been married for 31 years.

I wish we could grow up about it, I'm sure we are contributing to global warming, and we must do all we can to reduce that, but our climate has always changed. The Romans had vineyards in Yorkshire. We're all on this bandwagon of 'Ban the 4x4 in Fulham'. Why didn't we have global warming during the Industrial Revolution? In those days you couldn't have seen across the street for all the carbon emissions and the crap coming out of the chimneys.

Depends on the evening. A good red wine is nice in cold weather. A Claret or a Rioja. I've got a good gin we make from damson plums. And you can't beat a glass of champagne every now and again.

I've covered a lot of the British countryside and the UK from top to bottom and side to side. It's such a pity more people don't appreciate what's on their doorstep.

I love Chatsworth, Winchester Cathedral, Edinburgh Castle... Every time I'm in the vicinity of something old and worth looking at, I try to go. You don't even have to leave your home town to see some places. How many Londoners have seen the crown jewels? Not many, and they'll blow you away, I promise.

Alan Bennett and Judi Dench are amazingly talented people who don't let you down when you meet them.