"When will my little sister wake up" someone asked softly.,At Rong's house, this scene often played out: two little boys, bare-bottomed and giggling, chasing each other back and forth like a runaway train.,This child is very clever. He can't walk himself, but he knows that adults can help him. So he crawls to an adult's legs and clings to them, trying to stand up. Then he looks up at the adult and babbles incoherently. If an adult doesn't help him, he grabs their leg with one hand and extends the other out, trying to stand on his own. He wobbles precariously, but still refuses to give up.。