So my mom suffers from mental illness; officially, she is diagnosed as bipolar, but I think it's more like borderline personality disorder. She had a traumatic childhood, etc. etc., and over the past 10 years or so our relationship has basically reversed so that she's the child most of the time and I'm doing the parenting. A couple of years ago, even before I got engaged, I started to try and draw boundaries (please don't talk to me about all of these problems, please see a therapist, etc.) and she started to lash out at me. Then we got engaged and everything about the wedding was about HER. She suddenly wanted to play the "mother of the bride" role, but that felt so unnatural as she hadn't really been a mom to me in years. Everything that I HAVE tried to involve her in she's sabotaged in some way (i.e. she picked a b.s. fight with me and my maid of honor 2 days before the dress fitting she had set up for me - which was like her only task). (CONTINUED)