I have the utmost respect for people who are asexual. I didn't believe that they existed at first. But they do exist, and their numbers are growing.

There are young men who want thrills but no longer value sex, so they do completely different things, including aggressive things.

There will be other forms in addition to our classic marriage. One is already looming on the horizon: polyamory, or having more than one intimate partner.

For people who are desperate and searching, sexuality on the Internet offers an incredible release.

Internet sexuality shows that we're becoming more and more self-involved. I'm talking about self-sex.

There are many options in a marriage. If the couple has been together for a certain amount of time and has a certain amount of liberalism or life experience, it could be the kind of relationship in which one partner ventures into the occasional affair, which is then forgiven. This only happens every 13 years on average, but it obviously does occur.

I'm reminded of a female patient who was particularly aroused by the shape of her husband's shoulder. And this hint of perversion should ideally remain a secret for both partners.