Honestly, and this is just me, I am very very B*tchy when it comes to people like this.... I would tell your BF that he has to tell her to leave. I would tell him that he needs to be a man and stick up to his mom. And I know this sounds horrible, but I wouldn't take crap from her. I would remind her of who's house shes in. I don't tolerate disrespect from anyone, no matter who you are. I am always sweet and pleasant to begin with, but this lady has crossed more than one line. I know this sounds like awful advice, and I agree LoL I am just telling you what I would do. I am not one to beat around the bush to spare feelings or avoid conflict. This way of dealing with people like that has worked for me soo far
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"No man can be condemed for owning a dog. As long as he has a dog, he has a friend;
and the poorer he gets, the better friend he has."