What is the ruling on a son taking his mother's full pension to spend on himself, his family, and his sick mother, knowing that he is unemployed and dedicated to her care, and that her pension is insufficient to cover his and her needs?

A person afflicted with Alzheimer's disease has a legal guardian appointed over their property. This guardian can be a judge or their children acting as trustees. The guardian is not permitted to dispose of the person's wealth except in ways that are in their best interest, and they must provide for their needs appropriately. Serving one's parents is an obligation upon all children, either by themselves or by hiring someone to serve them. Children are not allowed to take wages for this service. A wife is not obligated to serve her husband's mother, and she is permitted to take wages for such service from the served person's wealth. If a son dedicates himself to serving his mother and is poor, he is allowed to take his expenses and the expenses of his dependents from his mother's wealth in a reasonable manner.