More than 40% of men reported that their sexual performance was a moderate-to-large problem.

But like any man, it worried him that they might have said something about his sexual performance.

In fact, good mental health can be key for healthy sexual performance.

How do you think your sexual performance compares with other men's?

The marketing of products to improve male sexual performance did not start with e-mail.

"But you better not let word get out about my sexual performance, or you'll be beating up beautiful women every week."

Except for my improved sexual performance, things went on pretty much the same.

I think the industry discovered there was a longing for sexual performance throughout the culture.

Drinking too much can also, of course, affect your sexual performance.

"It aids sexual performance for men and we look forward to offering this to our customers in early 2012."