NOT A TEACHER
(1) I do not know whether this is the answer that you are looking for, but I offer it for
(2) A headline in my morning newspaper:
DEAF VIEWERS CAN RELATE
Then the deck (smaller headline) says:
"Switched at Birth" [a TV program] on ABC Family [a TV cable network] includes several characters who can't hear.
Then in the article, a 17-year-old deaf girl says:
" [ 'Switched at Birth'] allows us to be involved. We can relate. We're finally
seeing people like us. And it's showing the world that deaf people are cool. We
Los Angeles Times, January 14, 2012.
P.S. Thus, maybe your sentence means something like:
I realized that he was the only man in the world who was like me.