According to Kaley Cuoco, her first marriage might have prevented her planned second one."The Big Bang Theory" star told Cosmopolitan she's happy to be marrying fiancé Karl Cook, but the actress painted a dismal picture of her marriage to tennis player Ryan Sweeting."I honestly thought I wouldn't get married again," she said. "My ex ruined that word for me." But all's well that has ended well. She said: "I knew how much I had to give and how much I wanted to receive.