"Still hung up on him?" How about I hang you up <3

Right

I think it may be a mistranslation and it should say hang out ? It makes more sense in this context. And he followed it up with Are you still in contact with Baek Dohwa cause she didnt understand him the first time. Also while the timing of the comment is not good, Dohwa told her the same thing (that she didnt change) so....