The weather here is bad.

His meaning is very clear, but he thinks this place is not as good as Chongqing. First of all, he looks like you and doesn't want to break up with you. He just wants to change your mind through such complaints and let you go to Chongqing with him. You have two choices, or break up with her. Otherwise, find a way to make her willing to stay here with you. What a woman wants is a sense of security, even if it is really not as good as Chongqing, but if you are good enough for her, she will be willing. Let him know that you will be kind to him. Let him know that it is impossible for you to go to Chongqing, but don't be too hard. Anyway, slowly, he will get used to it