You can ask them all kinds of questions, how much do they have in savings, how much do they plan to give the money to you and your son, ......., how did they get married, do they still love each other, ........What your hu*****and's grandma and grandpa did to teach them, .....
Then, tell them, they should exercise everyday, they should eat this eat that everyday, they should do this do that everyday, ...... .....
whenever there is a topic, just talk talk talk, leaving no room for them to talk.
烦死them.
hopefully you are not dead from exhsaustion yet.
Do not worry what they would say about you. They may say you are not a good daughter in law, or you are crazy, but who cares. You can tell your hu*****and that you will go nut if the in-laws invade your life.