If it's been weeks, months, or even years since you broke up with your ex-boyfriend, but all you can do is think of all the fun times you had together or wish you were still in his arms, then it's time to take some serious action to forget your ex so you can go back to enjoying your life. If you want to forget about your ex-boyfriend, then you have to cut all ties with him, enjoy living your own life, and learn to stop comparing every guy you meet to your old flame. If you want to know how to do it, just follow these steps.