Maybe a stupid thought but didn't Brian's mother originally want a daughter ? It would explain also lyrics to Tie Your Mother Down [img=/images/smiley/msn/teeth_smile.gif][/img]
I found something which might interest you: http://www.songmeanings.net/songs/view/3530822107858529796/
English is not my native language and I too would be interested to hear what you people are thinking about this song...
Somehow I feel that this song has a religious/spiritual/Christian 'background'...