I hope you know what it feels like being ignored by someone who means a lot. That is exactly what I am feeling like right now because of you.
You see my message, yet don't reply. Do you know how much it hurts when you see a blue tick and no response to it?
If you have time to open the App and see my message, I don't think you would be out of time to at least reply with a "ttyl" (Talk To You Later).
It is painful and it hurts a lot.