Was This Child Pretending To Cry?

Sigrid patted her son's back and said, "I'm just worried that he'll turn out to be slow-witted if he continues to be so quiet. Children are usually very noisy. Him being too quiet makes me worried." George did not believe her theory. She must think that bullying her son was fun, and she must have felt very accomplished when she saw the initially quiet Oreo cry.  Oreo did not like to cry. If it weren't for Sigrid who kept on poking him, he would not have cried out loud. After a short while, he stopped crying. There was not a single tear on his face... There was no apparent proof of his crying. George saw that Oreo was still looking around curiously after crying, and there were no tears on his face. Suddenly, a strange idea came to his mind... Could it be that Oreo had been pretending to cry?  Usually, children would cry out loudly without any tears. However, their faces would at least turn red from crying. If not, then there would be other traces to show that they had cried.  This child