My mom is a complainer her too; her glass is always half empty. I use it as a lesson NOT to be like this when I am in my 70s. I did tell her last yr. that I couln't be around her as much if she was only going to give out negative energy, that I couldn't take it any more. She has improved a little and for that I am grateful. When she does go negative now I just pretend to be listening but I am saying LA LA LALALALaLAala LA LA la la in my mind. I am sad that she had a hard life that has made her so negative and LA LA la I won't be like that because thankfully I know a better way. Mother / daughter relationships are complicated. I could never cut my mother out of my life. I just have to manage my expectations.