ANSWER:
Your mother in law is not required to offer it to you and is only doing what is natural to her by looking after her son. You must act according to your beliefs and convictions! Your good upbringing declares that you are kind and respectful towards your mother in law. Don’t let her attitude make you change your good character! Smile in her face, never defend yourself and never argue with her! This will make her look so bad and she will feel devastated for not being able to make you react negatively to her! You are not obliged to obey her or to listen to her instructions as she is not your mother, however, you must not demand that your husband say anything to her as she is his mother and Allah mandates upon him to remain dutiful towards her.