My closest friend, who died not long ago, is buried near Marx's grave in Highgate cemetery, so I see the gaggle of admirers laying roses at the foot of his tombstone regularly. I have never been tempted to leave flowers there myself. Great theories, shame about the practice. Marx did many things. But inventing class was not one of them.
My dad, Donald, was a vet and had a practice in Yorkshire. Cats and dogs were his bread and butter, but his greatest love was large animals.
The royal family's existence is a constant reminder of the hollowness of John Major's rhetoric, and idiotic statements by its leading members a constant boost to the republican cause. They're fine opening hospitals. It's when they open their mouths they get into trouble.
There are many reasons for the decline in royal esteem. One is that so many of the royals are thick.
One in four of us will have a mental illness at some point. That is a lot of people.
My aunty says I'm the double of my father. He was a workaholic, which I've definitely inherited. And like me, he could be the life and soul of the party, but also quite withdrawn.
To me, marriage is partly a religious thing and I'm not religious.
I had a happy childhood.
I hold no candle for George Osborne whatsoever. He has no strategic skills, is a hopeless chancellor, has no idea how most people have to live and his policies are failing and hurting millions.
The thing about politicians in Britain is that they are out there, you can lobby them, get close to them, there are loads of ways you can protest against them, and booing is a pretty weak way of doing it.
We should confine booing in sports arenas to sport. I love a good boo as much as the next football fan.
Friends have suggested that I am the least qualified person to talk about happiness, because I am often down, and sometimes profoundly depressed. But I think that's where my qualification comes from. Because to know happiness, it helps to know unhappiness.
By asking the question 'Am I happy?,' and via the answer setting out what I mean by happiness, there is a political route that can be taken, by asking another question - 'Can politics deliver happiness, and should it try?'
So here is one of my theories on happiness: we cannot know if we have lived a truly happy life until the very end. This view of life and death was reinforced by my close witnessing of the buildup to the death of Philip Gould. Philip was without doubt my closest friend in politics. When he died, I felt like I had lost a limb.
I want to write more books, see my first novel made into a film, fight more campaigns, work in more countries. I want to be able to recall experiences that have endured for their pleasure and range and intensity.
Like most meaningful activities, campaigns are team games.
In an ideal world, it would not take a film star to get the media focused on mental illness.
There has been a shift to what may be defined as a culture of negativity which goes well beyond coverage of politics.
Failure, it is thought, is what sells, and what people want to hear and read about. I am not so sure.
The pressures to get the story first, if wrong, are greater sometimes than the pressures to get the story right, if late.
