need to vent if anyone can say anything

so i know this girl for long time we use be close our kids go school together and we use hang out alot i use take her out to eat and do alot for her and she was suppose let me baby sit her kid and giv me lil money help me buy food for my kids and i got her daughter on bus for her two times i was suppose to watch her daughter after school for few to and everything.. she just started work as a cna honestly i think she thinks she bettee then me now she lied hasnt caled text me or nothing instead she let someone else watch her kid 🤦🏻‍♀️ and be around them my bf said she used me and only wanted me to do stuff for her when it comes to her he told me dont talk to her nomore or nothing.. she knows i needed money to help for food it wouldve helped me out i didnt even ask much 5$ a day or 10$ a day and food was included instead she lied to my face alt times and what makes me mad she think she better now cause she a cna and im stay home mom like wtf.. it makes my skin crawl cause noone is better then anyone. just cause u a cna.. and i supported her through everything and use giv her money for gas take her to eat ect...