Yeah I agree with your wife. When you have so many hits, why write new stuff? He has released new songs here and there in that time, hasn't he? There was Christmas in Fallujah a few years ago, then he wrote a classical piece not long after, and didn't he do an old crooner-style piece when Tony Bennett died?
But anyway, love that song. It's hard to beat Billy Joel.
I haven't listened to Forever yet. Those three you picked are nice though! I'll have to pick it up.