I think that what you need to pay attention to is how you set yourself up For the very kind of exchanges that you don’t like. You presented her with how you are thinking about moving in with your boyfriend when it’s not necessary for you to do that. All you did was invite her to give you her opinion.

If her input leads to You feeling that your boundary is being invaded then don’t invite her into your private space.

Give it some thought as you probably don’t realize how you may unknowingly invite others to give their opinion when you really don’t want it.