Among the 4,000 men polled by New York City sexologist and author Bob

Berkowitz and his writer wife, Susan Yager-Berkowitz, 68 percent of men blame their wives for failing to ignite their passions.

Husbands, among other things, complained "she doesn't seem to enjoy it," the New York Post reported Sunday.

"I'm game for almost anything," one 30-year-old man responded to the online survey, "but her idea of adventurous sex is leaving the light on."

In follow-up interviews, men complained their wives would neither perform certain sex acts nor show enthusiasm in the bedroom.

"For some guys it may mean that she's not doing what they see online, which is unrealistic," Berkowitz said.

About half of the males surveyed said they were interested in sex, but with people other than their wife, the newspaper reported.

"If these guys are not having sex with their wives, they're probably having affairs," Berkowitz said.