how should i solve the matter? u opinon is needed

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i have met a person in the party a week back. we were linked to eachother by some distant relationship. i don't know that. yesterday i met him just like that , from his talks i have found that he is facing some problem , when i asked what is the matter, he was not willing to say , then after insisting for long he has said that he was having problem with his girlfriend. then i have called her to the home , we sat together to solve the problem, but his girlfriend is not willing for the talks what is wrong with her, she is not giving a chance to talk how arrogent she is, she is not at all responsible how should i solve the matter