Extract the answer to the following question from the movie plot. If the question isn't answerable, please output "Can't answer". Question: How long has it been since Rafael seen his mother? Title: Son of the Bride Movie plot: The film tells of Rafael Belvedere (Ricardo Darin), a 42-year-old divorced restaurateur, with a young daughter named Vicky (Gimena Nobile) of whom he has joint custody. Rafael lives a very hectic lifestyle. His mother Norma (Norma Aleandro) suffers from Alzheimer's disease and he has not seen her in a year. Rafael sees his father Nino (Hector Alterio) frequently but his friends rarely. He's fielding offers to sell the restaurant he runs in Buenos Aires, but changes his mind because it was started by his mother and father and has been in the family for years. His childhood friend Juan Carlos (Eduardo Blanco), who he has not seen for twenty years, drops by the restaurant and renews their old friendship, demonstrating the fact that he has become an actor. One day, Rafael suddenly suffers a heart attack and, as he recovers in the intensive care unit, he is forced to reevaluate his life and decide his priorities. He now wants to sell the restaurant and move to southern Mexico and raise horses. At the same time his father wants to remarry his wife because they were never married in the Catholic Church. Rafael is opposed to the renewal of vows because his ailing mother will not be much of a participant. As part of his new life, he tells his much-younger girlfriend Nati that he wants some space and some freedom. At first she is hurt and tells him that he is no Albert Einstein, Bill Gates, or even Dick Watson. (Rafael is puzzled about the identity of Dick Watson and we find out at the middle of the end credits that it refers to a character in a porno film.) Although Rafael tries to get her to understand his perspective, she ultimately breaks off their relationship. Rafael tries to deal with his struggles with this relationships and the fact that the Church is unsupportive, and ends up selling the restaurant and having Juan Carlos act the role of a priest at his parents' second wedding. The film ends after the wedding, with Rafael opening a new restaurant and apologizing to Nati; she joyously forgives him and there...
A:
Rafael has not seen his mother in a year.