As a child, I thought that people who spoke different languages had different ears.
I figured it was up to what ears we had as to which sounds would make sense, and which wouldn't. For example, as I had ears like my parents and local community, we could understand each other. People with different ears made strange sounds and seemed to understand and be understood only by other people with the same type of ears.

I can't remember when I figured it out, but I sort of miss the simplicity of that idea. Learning foreign languages has never been easy for me; fun, but difficult.