>>13560311White women's vaginas have enlarged melanin receptors (so sensitive that white mothers often experience multiple orgasms when giving birth to a Black baby) , which makes sense given the lack of melanin in white penises. It also explains why white women get so aroused and orgasm so frequently and intensely with darker mates.
On Bill Nye's show he had on Neil Degrasse Tyson, Bill copulated with a black woman and Neil with a white woman for 20 minutes each, Bill was unable to make his partner orgasm. Neil's partner actually had to receive medical attention and was taken to hospital as a precaution due to the physical exhaustion and strain her 50+ orgasms had caused.