In the age of networked everything, life moves sideways and covers lots of ground while barely touching the earth.

We're all impostors to ourselves. By that I mean that we know instinctively, intimately, the difference between whom we are inside and who we appear to be to others. Most of the time - when we aren't flat lying about something or playing a particularly stylized role in some heightened dramatic situation - this difference between the internal and the external is modest and manageable.

He knows, as all the cleverest ones do, that no human being is so interesting that he can't make himself more interesting still by acting retarded at random intervals.

There are moments when it frightens us, threatening to expose us as inauthentic. Well, the big-time impostors we read about in literature run this risk constantly, flirting with destruction, not just humiliation or embarrassment. It's a spectacle that we can't help but find compelling, and it involves a certain level of courage that we sneakily admire, perhaps.

I disagree that Blood Will Out is a memoir in the conventional sense. It's the story of a relationship, primarily, not an individual. The "me" in the book is a specialized version of me, the person who Clark manipulated and fooled. I could cover the same years of my life from an entirely different perspective in another book, by concentrating on my experience as a husband, say. But I was selective. I focused on my duping.

A writer is someone who tells you one thing so someday he can tell his readers another thing: what he was thinking but declined to say, or what he would have thought had he been wiser. A writer turns his life into material, and if you're in his life, he uses yours, too.

Memo to extreme partisans: If you can't bring yourselves to love your enemies, can you at least learn to hate your friends?