Only time will tell what will really happen. In any event, the battle is not over and there will be many more court cases and appeals to those case decisions. The media claims that majority of Americas are in favor of same sex marriage, but these claims are exaggerated. Even the secular nation of France was believed to be on the side of same-sex marriage until it shocked the world with is marches composed of millions of protesters who do not want to see the definition of marriage distorted.
Source:
http://www.cnn.com/2014/10/06/politics/scotus-same-sex-marriage/index.html?hpt=hp_t1
http://www.usatoday.com/story/news/nation/2014/10/06/supreme-court-gay-marriage/16546959/
http://www.washingtonpost.com/blogs/the-fix/wp/2014/10/06/the-supreme-court-confirms-what-we-already-knew-the-fight-over-gay-marriage-is-over/