Welcome to Adult Children of Mentally ill Parents Discussion Forum!!! Dedicated to the validatation and encouragement towards one another in tranquil and perilous times a mist the obscure insanity of a loved one.
My sympathy to you -you sound overwhelmed !!!
I want you to ask yourself a question ? what is your responibility to yourself ? and to your mother ? in other words just what do you think you can do for her that she won't or can't do for herself ? Did she always depend on you ? or drag you into her misery ?
I also have a list of behavior or mental roadblocks that manic depressives suffer
http://www.mdjunction.com/forums/bipolar-support-forums/tips/19406-the-ten-cognitive-distortions
check out the link and you can see her dilema
but don't be overwhelmed by her problems- hopefully she will find a way to be open to change