"Probably because she's dealt with it so long and she's probably had some very creepy stalker type. Although she needs to be able to deal with it, she's probably to the point in her life where she's over it and tired of it."
If you're referring to Ms. Bacall, that may or may not be accurate, but in actuality, she's unpleasant to most people - fans, coworkers, employees, etc.
Have I ever shown you my Shattered Dreams box? It's in my Disappointment Closet. - Marge Simpson