My girlfriend keeps talking about her ex boyfriend...help?

what should I do, say or how should I handle it? I've already said that I don't like it, and it makes me feel bad. She often talks about him and even meets him! She even keeps in touch with his family! wtf. She dumped him over 2 months ago. Been with me for a over a month & a half.. Help anyone.. advise needed..
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thank you all for your advice. I appreciate it
My girlfriend keeps talking about her ex boyfriend...help?
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