Why did Kangxi like Li Hong, the grandson of many descendants?

There are the following points;

1. When we first met, we felt that Li Hong was different and it was a blessing to meet his mother.

2. By inferring Li Hong's horoscope, fortune tellers are expensive and live long.

3. In chengde mountain resort, the "bear was captured at the beginning" and escaped the black bear's counterattack. Kangxi praised: "Li Hong's life is really precious! If he had urged the horse earlier, the bear would have been frightened. I don't know what will happen! This child will be more blessed than me in the future! "

On the other hand, Kangxi has many grandchildren, which may be a remarkable thing. Li Hong is beautiful and has aura. Perhaps he and Kangxi have a deja vu temperament.