Lyric discussion by DCBA25 

Cover art for Changes lyrics by Black Sabbath

I love this song with each listen. As many of us probably do, I consider it a tribute to my lost love, as this song's lyrics describe perfectly how I feel each day about her, 9 months after she left me..

@DCBA25 agree it definitely is a heart broken song about a lover leaving them (and them being pretty oblivious to the impending break).