boyfriends mom driving me crazy

my boyfriends mother i cannot stand and i can't help it. ive only been with him for 6 months and I'm pregnant he moved in with me to help with bills since i had problems at the beginning and couldn't work. anywho here's all tge problems I'm having. im white and he is Mexican when i make dinner I make chicken, pork chops ribs stuff like that he demands his Mexican food so I tried to make it but he always states ot never comes put like his moms. i always made chicken with a side of mashed potatoes and green beans and he said well my mom doesnt make those sides with chicken u should do it how she does it. i have a 3 year old and she has never been around Mexican food like that and she won't eat it and even if I was to make it it wouldn't be like his moms smh im so fed up woth being compared to her they sit on the phone and laugh about how it tastes also his mom and her husband are fighting so he asked what I thought about her moving in with us we have a 3 bedroom and my mom lives with us she is sick and disabled I have to take care of her 24 7 we have our room and my daughter has hers I said well where would she sleep he straight up told me my daughter don't need a room and his mom can have her room and my daughter can sleep on a pallet or the couch like no no no no another thing I want to buy a washer and dryer and he says my priorities ain't right cause why spend money on it when we can go to his moms and do all 6 7 loads of clothes there like i want to wash my own damn clothes he had every excuse in the book to go there i don't like her I don't want to be over there all day for my laundry smh he also made a trip for us to go to Florida and it was originally supposed to be me him his sister and her husband and at first I wasn't going to go because my mom and daughter my aunt said she would take care for the week of me being gone because my SO said he didn't want to be third wheel but now he begged his mom to go and now that's gonna make me feel the odd one out now ill be the "alone" one itll be uneven again I hate being around her anything i do isn't right how i dress while pregnant isn't right i feel less of a woman around her i could say the sky is really blue today and she could sy different aand we gotto say its gray i can't stand her. He was working 12 hrs and she called him 7 times mad he hasn't contacted her like he's 30 and she's fucking annoying ugh help me am i over reacting at all