I love songs the most when it relates directly to what I'm going through in my life. There are some songs I've heard in the past that, when I heard the lyrics, I couldn't believe that someone else wrote it, and not me. "Living Proof" by Bruce Springsteen is the main one that comes to mind.
And it doesn't really matter too much what genre it is. It could be Lyle Lovett and "Simple Song"or Motley Crue and "Dont go away mad", if it speaks to me, it speaks to me.