Medications can lower a woman's sex drive and interfere with a woman's ability to climax. These medications include antidepressants, birth control pills and hormone medications. I only know of three antidepressants that do not interfere with a woman's sexual function.

I have a little theory about that, too. It's clearly envy. It's bringing people down to your size. It's a narcissistic impulse that didn't used to exist, but we've become increasingly narcissistic as a society, and envy is one of those outcomes.

I'm not a Twitter fan. I do it because I feel responsible to the two million people that follow me, but Twitter to me is just another thing I have do. And it's mostly a place for people to attack and abuse you. I don't really get much out of it, personally. I get hundreds of demands to answer the kind of medical questions that require three years of treatment to assess, yet people are furious when I don't solve their problems in 140 characters. It's really stunning.

Menopause, perimenopause, childbirth and breast-feeding can all cause a woman's sex drive to shut down.

Men have to recognize that women are not all the same when it comes to what can get them aroused.

Medications can lower a woman's sex drive and interfere with a woman's ability to climax. These medications include antidepressants, birth control pills and hormone medications. I only know of three antidepressants that do not interfere with a woman's sexual function.

The experience we all share and the outcomes, which have been remarkable in a way I never could have predicted. Taking unmotivated people - maybe marginally motivated to get on TV and make money - and ending up with a group that values and is changed by the treatment process and wants to share it with other people.