Living for ever would be like marrying yourself, with no possibility of a divorce.

What folly takes light through ether to each eye from every horizon.

So if we're all quarks and electrons ..." he begins. What?" We could make love and it would be nothing more than quarks and electrons rubbing together." Better than that," I say. "Nothing really 'rubs together' in the microscopic world. Matter never really touches other matter, so we could make love without any of our atoms touching at all. Remember that electrons sit on the outside of atoms, repelling other electrons. So we could make love and actually repel each other at the same time.

One of the biggest problems for beginning writers is this need to over-explain.

I always got a bit pissed off with those broadsheet sceptics who make their living being passionately angry about homeopathy, God, synchronicity or whatever, because it's as if they can't get past their emotions, and in their rage they become as faith-driven as the beliefs they criticise. I always said they give scientists a bad name. After all, science has to be about asking unthinkable questions, not closing down debate.

I wonder if the reason I tend to say yes to everything is because I deeply believe that I can survive anything.

You tell them what a happy ending consists of, which is always individual success. You tell them that nothing irrational exists in this world, which is a lie. You tell them that conflict only exists only to be neatly resolved, and that everyone who is poor wants to be rich, and everyone who is ill wants to get better, and everyone who gets involved in crime comes to a bad end, and that love should be pure. You tell them that despite all this they are special, that the world revolves around them.