Two ears. I am deaf in my right ear and I’ve just developed musical tinnitus – it’s not an interesting tune and you don’t choose it. I had three weeks of Hare Krishna night and day. Then it changed to Rod Stewart’s Sailing.

More clarity, or if I went to the gym more.

Compulsory headphones for phone users in public.

Nothing, because it’s up to me how I feel. I’ve been a millionaire three times and I still wanted to kill myself.

Having a family can be a rude awakening for some people but it wasn't like that for me. I've absolutely loved it and I still do. I've got two daughters, Polly and Camilla, in their late 20s now. You get these people who say, "Wait for the terrible twos," and, yes, they've had the odd flounce, but they've got increasingly joyful to be around. My wife Alice and I are very close to them and value their company hugely.

My old French teacher Madame Hawksworth stopped me in Ikley car park and said, 'We never thought you'd amount to much.'

I wish school career advisers were more aware of horticulture. They imagine it's just going out into public parks and pulling weeds up, not a career. But there is garden design, horticultural research, conservation – a whole gamut of angles which are overlooked.

My marriage has not been a drudge. But in 29 years there are times where it's not all excitement, thunderbolts and shooting stars. You have to think, 'I like you and I rate you,' and you'll ride it out.

Eric Idle’s Always Look on the Bright Side of Life. That’s me, really.

Foolhardiness. I wrote two chapters and a synopsis, sent it off to a publisher, and it sold. That's what emboldened me to continue.