Going dark is not a game. It is not to get a response. It is to insulate you from the madness. He will be on your mind 24x7 at first, and for weeks or months in most cases. But you have to start protecting your mind and going dark is a tool for that.
Only when you create a little space in your mind, will you have time to think more about yourself. THAT is where you need to get. NOW is when you start. This is your life. He has turned it upside down. You are the only person that can turn it back around. It takes time. You can do it. Don't look back a year from now wondering why it took you so long to think this way.