I cry at everything, even the length of the queue at Sainsbury's.

In the 20 long, hungry years between my late teens and late 30s I bought in to virtually every new diet and/or exercise regime that hoved into view, particularly at this most vulnerable time for those of us prone to poor body image - a new year.

Why has everything got to be about feelings these days? In the old days, no one knew what anyone was feeling and, what's more, they weren't expected to.

My parents both had Oxford degrees, they read important books, spoke foreign languages, drank real coffee and went to museums for pleasure. People like that don't have fat kids: they were cut out to be winners and winners don't have children who are overweight.

I met Tom Baker doing a voice-over when David [Arabella's friend, David Tennant] wasn't at all well known. We were doing this voice-over together and I said to Tom, 'Oh, my friend's a really, really big Doctor Who fan,' and he replied, 'Wait!' He got his cheque book out and asked, 'What his name?' I said 'David Tennant'. He wrote, 'To David Tennant, seventeen pounds forty five', signed it and I asked him what it meant. He said, 'He'll know'

I would like it to be a legal requirement for all businesses to be linked to a charity.

With a diplomat father, for whom foreign postings were a fact of life, my siblings and I were expected to attend boarding schools in Britain.