"There were a few national differences among the men: the German men were most reticent about going out or going home with any of the imagined women, and Italians were least discriminate about doing anything with anyone. American men were more likely than their German counterparts to go to bed with a woman. But they weren’t quite as randy as the Italians."
— LATimes summarizes a study by Human Nature: Women take very attractive strangers to bed; men not so picky