is it nice having a close relationship with in-laws?

I live with my in laws.. And ever since I gave birth there's just too much interference from my mil, and occasionally from my sil too when she comes over. I did try to keep an "acquaintance-only" relationship with them and be wary of what I say and do around them, don't over share, don't be over friendly, etc. But somehow after baby was born they feel entitled to say or do things on their own. And when this happens my husband finds it difficult to say things to my mil because we live together and have a decent relationship with each other. I think there must be a reason why your husband could be like that. Maybe he is just trying to prevent something like that from happening.. Once the relationship between you and mil has strengthened, when something sour happens, I think he wants to avoid having to be the middleman between you two. My husband keeps saying he's stressed playing the middleman and he doesn't know how to settle issues between my mil and I cos both of us are stubborn in our own ways.