What tells you that Anne loved her grandmother?

Anne’s grandmother died in January 1942. The line mentioned by Anne i.e. “No one knows how often I think of her and still love her” gives us a deep insight into the feelings of sadness that surrounded her and the magnitude of love that she had for her grandmother. Further, the lighting of a candle by Anne on her birthday to mark the loving memory of her grandmother brings together those poignant feelings that hid inside Anne.