For years, in my personal and professional life I have lived surrounded by the bookish/nerdy type of white men, while the black males I have met were mostly younger gym mates, psychically active and in shape. The contrast can hardy be greater, and it is not just a matter of physique. Feminism and political correctness have emasculated Europeans while blacks still have a masculine/dominant side.
This edge sometimes can be a macho man attitude but very often is a 'benevolent sexism' that can be intoxicating. Aways an underlining sexual tension... I know what they want of me, and they know that I know it.