Brad Pitt, who became a dad of four in a little more than two years, is reportedly “physically and emotionally” tired of taking care of the kids, according to Hollywoodrag.com. Pitt and Angelina Jolie are currently in Prague where Jolie is filming Wanted. “Brad loves those kids and he doesn’t want to give up all the responsibility,” a source said. “He just wants Angelina to do her share and take up the slack.” Meanwhile, 24 hours is reporting that Jolie has fallen for a Prague orphan and wants to adopt the boy. Jolie and Pitt have three adopted children, all under the age of six, and a one-year-old biological daughter.