1.  Two different magnets can appeal to each other, so can the human, specially the flower of youth.

2.  In my opinion, human can't and shouldn't change themselves into robots.

3.  Only if I took part in their fundamental work to complete the mission which human can't , the goal would be achieved.

4.  In my opinion, now that the exploring has been developed by leaps and bounds, what I'm concerned is that the space and humans can concurrent well in the near future.

5.  Even assuming humans can not have been the very factor responsible to the species' extinction, without ruling other alternative explanations it is still too hasty to draw the conclusion that climate change or other environmental factors must be the real reason.