Angelina Jolie and Brad Pitt are seeing a relationship counsellor, it has been claimed.The lovers, who met on the set of 'Mr. and Mrs. Smith', have allegedly had a series of bitter arguments and have hired a counsellor to work through their problems. A source told Britain's Grazia magazine : "This year is crux time. They have to reach a decision on what they expect from each other - and fast. Angelina has to realise Brad needs stability and Brad has to come to terms with her driving ambition as a world ambassador."Brad's family are blown away marriage didn't happen a long time ago. But Angelina doesn't want to put down roots and turn into a 'homemaker'." Her late mother had a lot to do with Angelina's decision to have counselling. Marcheline made her realise it wouldn't be such a bad idea to give marriage a go."Brad and Angelina are determined to work through their problems for the sake of their three children, adopted Maddox and Zahara, and their biological daughter Shiloh. The source added: "They have had some serious disagreements but Brad and Angelina agree that they don't want to make any more mistakes, particularly now there are three precious little lives involved."This wasn't the case in their previous marriages. The stakes are much higher than when they were childless."