This is a story about the spiritual growth of men. Suffering may make a person grow, but it does not make him mature. No one actively chooses suffering. When fate still allows suffering to come, the protagonist chooses to bear it and learns to have fun in suffering. Because he has his own spiritual support: mother, friend, and the object of confession-female prisoner. They make him optimistic and strong. Until the mother became a vegetable, everything began to collapse.
He has always been a "boy" until he has a child of his own and found a new spiritual support, that allows him to dare to face his past suffering years and his choice of "mother-killing", so that he can mature and let him Grow into a man.
In fact, compared with Lady (female prisoner), his mother and his mentally retarded friend Pappass (Robin Williams) are both more important to him. But Lady is more like a spiritual mentor. She pushed him when he fell into a ruthless vortex of fate and couldn't extricate himself, and pushed him into a new life without hesitation. (How can such a good person go to jail?) The title of the film is called "House of D", and its meaning is probably here.
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