The vast majority of unfaithful people are experiencing a conflict between their values and their behavior, and that is the mess of infidelity. It's not an either-or. The idea that you would ask, "How can you say you love your husband and you want to stay married, and you also are having an affair?" Because we are not the same woman, or the same man. Because sexual revolutions don't take place at home. Because for most of us, freedom wasn't something that we experienced in our family, but usually outside of our family.

We know desire is rooted in absence and yearning. What you don't have is often ten times richer than what you actually experience. An affair is a perfect erotic plot because it fits the erotic equation of psychotherapist Jack Morin: "Attraction plus obstacle equals excitement.".

Erotic intelligence stretches far beyond a repertoire of sexual techniques. It is an intelligence that celebrates curiosity and play, the power of the imagination, and our infinite fascination with what is hidden and mysterious.

It's our imagination that's responsible for love, not the other person.

One of the big misconceptions is that affairs or trysts are flings about sex. And sometimes they are, but much more often they are about desire. And that is very different. The desire to feel special, to feel seen, to feel appreciated, to be laughed at or with. The desire to be desired. That does not manifest in a sexual act per se. Affairs make you feel alive. Alchemy means it's not about the actual sex, but the sexuality, the energy, the aura. It's the imagination and anticipation of it as much or instead of the actual experience of it.

There is no sex without a cue. People who date have their cues at home, before they meet. You think about where to go, what to eat, what to do and say. Sometimes the cue is short - - just before we reach the bar - - but sex is never just spontaneous. Spontaneity is a myth.

I think love is often a bit selfish, even before we had consumerism. That's not new. A consumer society gives you the illusion of having massive amounts of choice and saddles you with the freedom of being able to dabble in that choice. And at the same time, you are left with the tyranny of self-doubt and uncertainty about whether you made the right choice.