My mother in law is a widow and receives a pension. My wife used to repay a loan for her at a rate of 100 dinars per month. Before getting married, my mother in law relied on her daughter's salary, but after my wife got married, she stopped providing financial assistance to her and only continued repaying the loan. In response, my mother in law has prohibited all her children from visiting or talking to their sister. She refuses reconciliation unless my wife (her daughter) pays the amount she used to provide. It's worth noting that my wife has her own loan. Is my wife considered disobedient to her mother, or is she committing a sin by reducing the financial assistance?