I think she just teasing you -.- I know a lot of PIL like to do that to test water :P In any event talk to your husband first.
Remember when you married, is between both families.. his family is your family and your family is his family.
If you married thinking that both of you will spend life together without the interference of the other party family... then maybe you married the wrong person..
Best to tame your expectation.
This has nothing to do with your child, in fact is in the welfare of your child to have more people around him/her.
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