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F1 Grand Prix of Belgium - Practice

SPA FRANCORCHAMPS, BELGIUM - AUGUST 31: Michael Schumacher of Germany and Mercedes GP drives during practice for the Belgian Grand Prix at the Circuit of Spa Francorchamps on August 31, 2012 in Spa Francorchamps, Belgium. (Photo by Mark Thompson/Getty Images)

Michael Schumacher is retiring from Formula One - again

This time the seven-time F1 champion says, ''it might be forever.''