LOS ANGELES:- Maria Shriver and Arnold Schwarzenegger want their children to ‘’work hard’’. The former couple - who split in 2011 when it emerged the ‘Terminator’ star had fathered a son, Joseph, now 21, with their housekeeper - have always been keen to instill certain values in Katherine, 28, Christina, 26, Patrick, 24, and 20-year-old Christopher but hold their brood responsible for choosing the right people to share their lives with. In an upcoming conversation on Oprah Winfrey’s ‘SuperSoul Conversations’ podcast, Maria said: ‘’I say to them, at the end of the day, you’re you. You will surround yourself with people who know you and love you.