I think it probably is a form of addiction Will. A person who seeks power and wealth will never be satisfied. Enough is never enough.

I'm like you, perfectly happy with a modest lifestyle and a lovely environment. I take pleasure in things that cost virtually nothing - nature and wildlife, music, art, needlecraft and chatting to friends.

Having seen heartbreaking poverty and suffering in Africa, I wish those who are very rich would share in order to help the strugglers.

We visited Harrods in Knightsbridge last year and saw some headphones in a glass case, literally encrusted with diamonds. They were £20,000. We had to ask an assistant if it was a mistake, but no. That was the correct price. We both felt that was completely obscene. That sum would set up a small malaria clinic and save hundreds of lives.