We choose our friends because of . . . our shared genetic code?

Friends tend to have shared DNAimageimagehttp://www.upworthy.com/the-scientific-reason-someone-befriends-you-might-freak-you-out-just-a-bit?c=upw1

I wasn’t prepared for the scientific discovery described in the video linked above–that we choose our friends on the basis of our shared genetic material–particularly the DNA associated with the sense of smell. Although science seems to embrace this idea, I remain skeptical because of the large circle of racially diverse friends I have. 

The video also has another interesting finding–evolution appears to speed up among friends with shared DNA. I found the video interesting and think it would be worth your while to take a look at it.