2, thick and kind: on behalf of a person's praise and appreciation.
3, rare true love: suitable for the person they love, to express their adoration for each other.
4, blue rose is a very special rose varieties, the color of this flower is not the original color of the rose in nature, but through artificial intervention cultivated, this is because the rose petals contain pigment is anthocyanin, and this pigment in the natural state tends to show red, pink or yellow, in order to get the blue rose, scientists have conducted a lot of research and experiments.