and in a handful of other countries (including New Zealand and Norway) make the same choice. An even higher percentage of post-high-school young-adult men in the U.S. And in a national sample of young men whose average age was 22, the 'mostly straight' proportion increased when they completed the same survey six years later. The majority had these feelings since high school a few others developed them more recently. Of the 160 men interviewed for a study in 20, nearly one in eight reported same-sex attractions, fantasies, and crushes. With '100% heterosexual' being the largest assumed identity, 'mostly-heterosexual' was the first runner up in self-identification. and Canada show that 3 to 4 percent of male teenagers, when given the choice to select a term that best describes their sexual feelings, desires, and behaviors, opt for 'mostly' or 'predominantly' heterosexual.