My grandma is doing this to my new aunts son right now. She had enough one day and just flipped at a big family dinner. SHe told her he is my kid not yours. I am the one who popped him out of my body, not you. If I want to let him eat candy all day, ever day and dress him up like a girl I can! hes mine. and it went on and one from there. I am here (Germany) so I missed. I always miss the good stuff
After that, my Grandma backed off. I think you just need to talk to her and tell her how you feel!! and if you dont do things your way, scent it YOUR BABY! Then when you move, she can only see your baby when you are around. or something that will make her see, its you way or no way.
You way to nice to take that. I was alway taught to speak my mind. I would had flipped out on her the 1st time she started it.
Good luck and keep remembering 3 more weeks till you move!!!