Well, then, you may have to be a bit more inventive. Apparently, receiving gifts is not one of her LL's, you said as much yourself, and even diamond earrings didn't really "do it" for her. If her LL's truly ARE acts of service and quality time, I'm guessing that if you found a way to do something REALLY special along those lines, she would feel loved by it, which is really the point.
