David Beckham's Obsessive Compulsive Disorder has worsened as he strugglesto cope with family conflicts.The soccer star - who has previously admitted to suffering from thecondition in the past - is said to be growing anxious about celebratingChristmas because his parents are divorced and do not get on.His father Ted - who recently suffered a near-fatal heart attack - is alsosaid to clash with David's wife Victoria's dad, Tony, so they are unable tospend the festivities together.A source told Britain's Daily Mirror newspaper: "Christmas always makesDavid nervous and stressed because there are so many family conflicts andemotions flying about."Ted refuses to be at Christmas lunch with David's mother, Sandra, and it isalways better if Victoria's family and the Beckhams are kept apart,especially Ted and Tony. This makes his OCD a lot worse."David - who has three sons, Brooklyn, eight, Romeo, five, and two-year-oldCruz, with Victoria - is so affected by the disorder he can't relax untileverything is in order.He recently demanded spotless upholstery and symmetrical crockery during aflight on his private jet.The source added: "David likes his jet arranged so that everything looksneat and when a meal is served to him he insists there is a row of glassesof different sizes on the tray."He spends time lining up the cutlery, crockery and salt and pepper beforehe will even begin eating."