Dear Mother In Law

I understand you love my daughter, and for that i am glad. But that doesnt mean you get to take decisions on how to care for or raise her. You may have the best intentions but when i have alrwady asked KINDLY AND PARIENTLY to do this or that a certain way and you deliberately do the oposite, its increadibly disrespectful!
I know you have wanted a granddaughter for a really long time, but she is NOT your baby! She is mine. Mine! It may sound possesive but you did NOT carry her, or birth her. Your baby is your son, my beloved husband, NOT my daughter. Your babies are your adoptive sons even, whom you've cared for since birth, and now by law are your sons. They are your babies, not my daughter!
I realize you have mental, marital, and self esteem problems to deal with in your own head bit it is BOT okay for you to try and fix them by screaming at your husband while holding my daughter, it is NOT okay to walk around your house screaming at the top of your lings and hold my crying infant in your arms, knowing its your bad energy that has her like that and still refuse to hand her back.
How DARE you refuse to hand her back! 
I really wish i could feel diderent about you, but ive teied helping you when you've asked, and you dont help yourself. I wish i could tell this to your face but for the sake of keeping the peace and not putting my hisband in a dificult position i will suck it up.... For now.
P.S. I HAVE NEVER MET A WOMAN WHO LOVES THE SOUND OF HER OWN VOICE SO MUCH THAT SHE NEVER SHUTS THE F*cK UP!!! Shut it for 5 mins. PLEASE