Whats the best way to deal with this...?

im honestly at my ends and i dont know how to deal with it without gettin upset or feelin guilty. still at home 22 ik laugh laugh my problem is im lookin to move out in the fall and the problem is im havin trouble dealin with my ma . here is some background for all my life ive been her support mostly emotionally cuz of the way the family is we were very close and much alike when i was younger and now that im older we are total opposites shes very neg loner emotional parranoid and im very adventurous pos just nothin that she is ...cuz of the situations with the fam i have been her strong hold i listen and im always there even to the point of lettin myself slip. i want her in my life she is the most important right now but i need to transition havin my life with havin her important in it as well maybe this just cant be idk thats somethin im figurin out right now but i tell her im movin and she doesnt want me to .i tell her it will be better and help on our relationship cuz its all neg right now and i know if i did what i wanted it would make our rel.less complicated i cant tell her anythin pos about me movin with out her gettin neg then i get upset that she cant deal with it like a adult and then i feel guilty that i lash out cuz now im not dealin with it right. i cant clean out my room and go through things without her sayin "what u movin out soon" when im just simply cleanin then i say no and it leads to a big fight that her sayin no i know where this is all leadin ..u could litterly cut the tension with a knife shes dealin with her own personal situations right now i get that its hard plus im the last child our rel.has been very unique as a mother daughter i feel i am puttin myself in a emotion breakdown because of all this i dont know what to say to her anymore and i am completly lost i cant just up and leave and i cant just make it all nice nice cuz she wont get either...some of u will prob say i should have gotten out when i had the chance and yes i prob should have and now im dealin with this ...mostly im just askin on how to transition all this with out breakin either one of us shes very clingy i get frustrated say somethin hostle and kinda rough she goes balistic and says somethin total neg like im just gonna quit takin meds lay in bed hope to die go to a nursin home and i know shes upset so i say it pissy idk do whatever u want then she shes ik u dont care when thats not really what i ment its all a vicious cycle i just dont know how to deal with it anymore im completly warn out ....thanks for listenin to my blabberin and thanks for the adivce