Just beacuse she is your mom do you have to like the person she is?

sorry but i love my mother but i see what a miserable person she is and because she is not happy she trys to make everyone around her the same am 30 so am her adult daughter when i go around her i have to act and agree with everything she says and act according to her likings she always say when you come to my house you are in my world wtf is that am just so tired of it what the hell should i do But keep praying for her she has no friends is very difficult person to be around we are close but am like her only friend ... she is just pushing people away from her i live and take care of my grama her mother and we asked her if she could come over and drop off some boxes we are doing some cleaning and she made this big fuss and didnt want to come and said she is my grama i live with her so its my responsibility also not to mention my grama her mom just helped her get her car fix get new tires and is the dam co signer and she cant drop off some dam boxes for her own mother wow she just amazes me my own brother left the house at 16 to go live with his dad because he didn't want to live with her ...... if me and my mother argue she call my grama and gets her in the middle of things my grama gets upset i dont run and get my grama involved i dont even say anything because she is older and i dont want to upset her but yet she plays these kid games what should i do but distant myself ????????