It depends on what you expect the no contact rule to do.
Reading between the lines, it seems that you want to get your ex back. While this is perfectly natural, it is not what no contact is about.
The no contact rule is all about you. It will work in the sense that it will help you emerge from a breakup as painlessly as possible. It's about making you emotionally stronger. By all means, start no contact, but please re-read the article to gain a better understanding.