Emilia wasn't excessively arrogant. She knew better than to offend the Lockwood family, especially given the influence of Lockwood Pharmaceutical Group and Jamie. Her manipulation of Gael was successful because Yanni was willing to let him go.
"I was quite happy with Carter at the beginning. His family was well-off. After two years of marriage, however, I realized how insignificant my so-called happiness was. Carter’s salary of 8,000 dollars a month was nothing compared to the wealth of the tru