Not to be a hardass, but that has nothing to do with the law. Certainly a juror can experience these emotions, but must not take them into consideration when deciding guilt or innocence.
That was my take on it as well. Grace said (paraphrasing) 'I know, because you always make the right choice'. As soon a Neil saw Christa, he immediately dropped Grace's hand and ran to Christa, thereby making the right choice.