It takes time to perfect the method. When you come to realization that you accomplish nothing by responding, then it would get easier. Go about your life, keep yourself busy. Nod. Say ok. Or say nothing. Do you work or are in school? Don’t be available. And unless you are a child, no need to eat with them or at the same time. Create a schedule for yourself that allows you to eat when they are doing something else
Depression is not a valid excuse for abusing others