My mom is geting mad at me for dum stuff and she is strict! plz christian 12-20 only thank you?

Hi i'm Matthew Mosly and i'm not doing so good my mom is driveing me mad she got mad at me for saying "thats dum" and then she knock on the door of my room all the time and if i do not come to the door she gets mad at me and tells me stuff like I know you are looking at bad suff i can tell and she reads my e-mails and saying i'm talking to sickcos and she got mad at me for typeing LOL and brb and i tell her what it means and then she like you are lieing and then i get ed and she makes me go to bed at 7:00 PM so i dont get kednap and i NEVER had or been to a party and i cant have video games and she gets a mad at me for looking at them and and if i try to tell her how i fill and she tells me I a'm fair to you i let you do a lot of stuff! then i get ed is it me or her?