I also agree with the A&E Biography on Susan in which it was said that females admired her independence. I know I certainly did. I'm a very independent person myself, and I think that even as a young person, I could identify with that aspect of her.

Adding to that characteristic the humanity she showed in her films, I always thought that was an unbeatable combination. If she wasn't like that in real life, then she was an even better actress than any of us could imagine!

No matter what anyone has said about her...that she was "cold", "snobby", "difficult", etc., you can't convince me that she didn't "own" many positive qualities...most prominent, as you mentioned "humanity" or "human kindness" because some things you just can't cover with acting....her true spirit showed through...