She's hurt my brother
So my brothers girlfriend broke up with him 2 months ago and she finally got back with him but now she keeps going on about how another guy has stopped talking to her and how upset she is about it to my brother and he's feeling really heartbroken because she made him believe there was nobody else in the picture. How do I make him feel better, I really thought she loved him but she's playing him and I'm a very protective sister and I don't want him to be this upset