Cyndee, this is probably wrong, but the first song that popped into my head when I read your new line was "Jean, Jean." I don't even know if that's the title, lol, or who sang it.
I think Jean was indeed the theme song from The Prime Of Miss Jean Brodie, although it was sung by someone else in the movie. Oliver had the big hit with it when he recorded it separately.
Your lyrics are from Crying, a real classic by Roy Orbison.
Let's try this one:
But I tell myself I didn't lose her 'Cause you can't lose a friend you never had