I have only applied for VIP with unlimited messages. I didn't apply for the instant talk. Therefore whoever sent me instant talk messages, I couldn't have read them and I didn't know who are you unless I paid money for each instant talk sender. I am sorry about that.
There is one message sender that we have sent over 200 messages mutually. Because I didn't believe some of her messages were real. So I questioned her about her message reality. That made her angry and stopped sending me messages from yesterday night.
I have to say sorry to her because my speaking was a bit without gentleman temper.