['My mother in law cannot mind her own business.', 'Yikes! You got one of the bad ones. They sure makes things hard.', "She really does - she is always trying to bend my husbands' ear to her way of thinking we should do things - with our house, our kids, etc.. and she never listens when he tells her that's enough."]
Maybe he needs to break away from her a bit. Maybe then she will mind her own business.
My mother in law cannot mind her own business.  She always tries to bend my husband's ear to her way of thinking we should do things.