It is as absurd to say that a man can't love one woman all the time as it is to say that a violinist needs several violins to play the same piece of music.
Well, I think that there is a connection between being a lawyer and a doctor and an actor. They kind of, in some ways, have the same appeal, I suppose.
Now, I think that in acknowledging that every individual Member of Parliament and indeed every individual member of the Labour Party, has rights to express their view in a spirit of tolerance.