[Bryan24]

Human being are "at the top" of the evolutionary chain, correct?

How is it then, that humans are among the most fragile of all the mammals?

Survival of the fittest (the backbone of evolution), would argue that humans are several magnitudes beyond any naturally occuring evolution.

[insanitor]

There are a lot of heterosexual men who believe that they were "made to have sex with more than one woman", so since they are not homosexuals, and yet having sex with more than one woman is defined as a sin by the bible, the premise of this thread may not need apply to only homosexuals, per se.

[adam_az]

How is it then, that humans are among the most fragile of all the mammals?

Brains and opposing thumbs. I'm not surprised you missed the brains part, but opposing thumbs! You shoulda gotten that part, at least.