George Clooney, 45, has made it pretty clear that he has no plans to ever marry, but that doesn’t mean he doesn’t know how to have a long-term relationship. For the past 18 years he has given his heart to Max, his 300-pound potbellied pig, who he gained full custody of after his breakup with Kelly Preston (who is now married to John Travolta). This past Friday (12/1), while George Clooney was out of town promoting his new film The Good...