Wonderful by Eric Clapton is a heartfelt classic love rock song that covers what it feels like to be with someone who sees the inner and outer beauty of you.  Yes, I understand that the singer is actually singing about his love interest who turns many heads at the party they attend.  However, I think that it can also be  a positive love song about two people who are in a relationship together who also keep on the rose-colored glasses (metaphorically speaking) even after they have been together for a long time.