Lyric discussion by mississippi gary 

Cover art for Perfect lyrics by Smashing Pumpkins, The

I think Corgan wrote this about his ex-wife, i can't remember her name Jennifer perhaps?

The important lines for me are

"angel, you know it's not the end we'll always be good friends the letters have been sent on "

I always imagine the letters being sent on are divorce papers and that he is telling her that they will still be good friends. I could be wrong but that's how i hear it.