Sheldon looked up at Rain very carefully, like he was not just observing him superficially but was reading his face, and trying to figure out the difference between right and wrong to help him decide whether he should say yes or no to his proposal for ice cream. He then looked at Arin, who was busy telling his mother something once again; and in between his words, he was stealing a glance or two in their direction, to find out if his friend and his father's friendship was going well or not. And naturally so, because he had placed the most precious bet of his life- seeing that, Sheldon simply...