Oh no... Women already think they don't need us, but... but... What if it became true?
All kidding aside, I read an article a long time ago that animals in confinement without a sexual partner somehow switched to asexual reproduction.

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"The towers are gone now, reduced to bloody rubble, along with all hopes for Peace in Our Time, in the United States or any other country. Make no mistake about it: We are At War now -- with somebody -- and we will stay At War with that mysterious Enemy for the rest of our lives." H.S.T. 09/12/01