help with ppd and anxiety

I always known I had anxiety but not treated but after having the baby I might have ppd I really don't like my S.O mom around my baby she's a 46yr nurse she's Been single for years and only has her son and she's very over bearing ,clingy, controlling her son is used to it (I think he has a gross attachment to his mom)which is fine but she tried to be the same with my son and I don't like it I told her to back off and she got offended it's ok for her to spend time with her grandchild but my child isn't a replacement for her not having a S.O and I take care of my son I don't need forced input if I want her advice I'll ask ( which I don't ) 
 I mentioned it to my boyfriend and were not on the same page he don't see nothing wrong with his mom being nosey and overbearing and it stresses me out to think down the line we might clash because of his mom I just hope are child gets along with her because if not it will be even more problems if he don't want to deal with her
 

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