It's just that you have less real contact, so you don't know enough. .

So you didn't talk much, so she felt that she would stop after talking. .

What you have to do is to find out her preferences when you get along well and chat, and then communicate according to these. There are more topics, and sometimes you won't feel cold. .

Say more positive words, it is difficult and lonely for a person to live abroad. So you should try to fill her gap. . .