Yes. She has to miss you. She has to see that she is losing you. Anything you do that shows her you are sitting around waiting on her will only prolong the situation. Go out and GAL. If you really want your W back, you need to be willing to let her go.
Me: 48 y/o W: 47 y/o Together: > 20 yrs BD: Dec '15, then S 2nd BD: Mar '16, then I filed for D April '16: started piecing