Answer Questions Other...
It sounds like this problem is more about her needing you rather than her thinking that you need her. If you want this to stop, you need to just tell her how you feel and if she says something like "you don't love me," assure her that's not the case; you just explained what the reason is.
Woah, this is weird.
Tell her, you're no longer a child but that doesn't mean you don't still love and respect her. If she doesn't respond to it show her you still care for her by getting her some help, or move out.
Your whole family needs serious therapy.
Please contact a therapist. For you and your mother.