How often do we talk to someone for our entire life and not know who he is? In Hawaii, Alan and Walter became best friends.

They had been friends since they were young. The males went to the same school and class, and their family resided next door.

They resembled one other and were connected irrevocably. They both joined the same football team after graduating.

Walter and Alan shared similar life experiences. Alan doesn’t remember his parents at all. He was reared by a foster family.

Even though they loved him as a native, he had always been curious about his biological parents.

Walter wanted to see his birth mother and lived with his father and stepmother. Both of them registered with a website that looks for biological relatives.

What a surprise it was for Alan to find out that Walter was his closest cousin. DNA testing has revealed that the men are brothers.

They were not just close friends, but also brothers. It seems necessary for them to be acquainted. It turns out that they have aunts, uncles, and a nephew. It caught me off guard.

Having never realized their connection, they had lived side by side their entire lives. Although they seldom notice it, Alan and Walter look a lot alike.

Together, they made the decision to search for their biological mother.

Recent research suggests that close friends always share a unique link.

The DNA sequences of more than 2,000 individuals who were not related biologically were compared by the experts.

It was shown that friends shared much more gene variations than strangers.

The only species that maintains relationships with members of its own species across time is human.

People favor spending time with those that are like them. Most people are unaware of the appearance of their fifth cousins.

Nevertheless, youngsters are able to select friends from among the various options who resemble their family.

It came as little surprise when close acquaintances were found to be related.