Not sure what the point of the childhood friend thing is.
I was a very very awkward youth (I didn't speak English well and I was one of few Indian students at my school) so I had a lot of trouble making friends. I don't have many friends from my childhood because I wasn't very good at it, I didn't really establish lasting friendships until High School and College.
High school counts as childhood, and more to the point, childhood friends are an indication that a person is not a disloyal back stabber and is someone others value. It's social proof.
it's just a saying though and is useless past its intended meaning. It does't seem to apply to you.
I was a very very awkward youth (I didn't speak English well and I was one of few Indian students at my school) so I had a lot of trouble making friends. I don't have many friends from my childhood because I wasn't very good at it, I didn't really establish lasting friendships until High School and College.