My girlfriend can see the short message I sent, why didn't she reply to me?

Some girls are introverted and prefer to express their feelings by talking, but when talking to their boyfriends, they are only in an angle where they don't know how to answer, so don't blame that girl. If you blame a girl, it will only make her even more ignorant of how to talk to you. On the contrary, you should pay more attention to her, send her more messages, and don't care whether she will come back. She will definitely see your concern for her and then chat with you slowly. Outgoing girls care more about their boyfriends. No matter how her boyfriend feels, she will take the initiative to speak first. This is just a girl's introversion, don't blame her. Thank you, hope to adopt. I hope I can help you.