Thanks, Max, for starting this discussion I've been waiting for a long time. It is interesting to see some of the reactions to your post. Of course most people have their own experience concerning sexuality, however the first major scientific research was published way back in 1948 by Alfred Kinsey. Since then a multitude of research has been done and published, you may fill several libraries with the results. The sexual behaviour of humans is so divers you can not say 'men are this way' or 'female like it that way.
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Most of what Kinsey found 70 years ago is still valid today, so have a look at wiki for some basics of his research.
One other thing I want to mention is that several of our devs here prefer to think that black cocks are significantly bigger than white ones and so satisfy women's needs better. Fact is, that there is no relevant difference ( Orakwe, J. C; Ogbuagu, B. O; Ebuh, G. U (2006).
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(PDF).
West African Journal of Medicine.
25 (3): 223–5.
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.)
I don't want to bother you with more scientific stuff, but please allow I sometimes have to laugh when I see one of those black monsters our 'size queens' fall for and get addicted to. Anyway, this is fiction here and I enjoy many of these comics and games, especially GGGB is well written and illustrated, didn't see anything better so far.