Fun fact: White men on average have less testosterone than black men, making them less masculine, more feminine and more submissive; thus the perfect sex slave for black men.
https://academic.oup.com/jcem/article/92/7/2519/2598282>Higher testosterone in black compared with white men has been postulated to explain their higher prostate cancer incidence.https://academic.oup.com/jcem/article/91/11/4326/2656429>Black men had higher DHT levels and DHT to testosterone ratios than white and Hispanic men.https://www.ncbi.nlm.nih.gov/pubmed/3455741>Mean testosterone levels in blacks were 19% higher than in whites, and free testosterone levels were 21% higher. Both these differences were statistically significant. 