News Maria Shriver's First Words on Separation: 'I'm Humbled' Published 1:08 PM PDT, May 13, 2011 Getty Images Maria Shriver took to Twitter in her first reaction to this week's news of the shocking separation from Arnold Schwarzenegger. "Thank you for all the kindness, support and compassion," Shriver tweeted on Friday. "I am humbled by the love. Thank you."Earlier this week, Schwarzenegger publicly acknowledged his marital struggles and thanked everyone for the "tremendous amount of support" he had received.The former California governor and Shriver announced on Monday they had decided to separate after 25 years of marriage.