In Joseph Moves In, it was revealed that Joseph killed his mother. Why?

It was revealed Joseph killed his own mother revealed in Joseph's House. Why? -FlandreAndTakane333

Answer
Because Joseph never loved his mum, He loved her sandwiches. But the last time she cooked it wrong so he killed her. -AaditS

Because Joseph and his family was too poor to afford food, so he ate her. -ThatLoyalTouch