My fmil who was for the past 7yrs was super close with me and really nice has turned into a royal Beo***. She is not helping us at all with the wedding- support(diy stuff) or financial, does not even work and fyi,lives in Manhattan and acts like a Manhattan housewife now(as of three years ago. b4, she was cool in Co). She only hands me lists of people I have never heard of and my fiance doesn't even know that we "have" to invite to everything and the same is happening at my bridal shower which I am not throwing but somehow I have to get all their addresses and deal with her high maintenance bs...(always competing now on the way I look with her??? and telling me how she is going to be soooooo busy at all our events bc she is going to be the one who KNOWS everyone...)How do I deal with class and etiquette? I am so over petty drama and it really seems like she just has nothing better to do in her life now that she is in Ny and has nothing to do...