She's already three and a half... but her body is as weak as a two-and-a-half-year-old!,"Do you know, my son has a congenital heart defect... I've long wanted to give him a new heart, but unfortunately, panda blood is very difficult to match with other hearts!",The little boy looked at his father, his eyes flashing with excitement. "Hurry up and take out her heart, give it to me!"。