You are still in the 'early hurting stage' and we all have been there. Wanting to talk to the person you always considered your very best friend, and finding they are no longer interested in anything you have to say. You are getting good advice here. I promise.
Do what you have to do to take care of yourself, your children, and your life. Go out and get one. The less you appear to notice the W, the more she will begin to wonder????what's up????