Instead, what you should do is focus on recovering, stabilizing, and finding ways to fill the void in your life that that person left. You might do this by taking a break from dating and setting work-related goals. Or you might focus on finding a new prospective partner to take the place of the other.
Whatever you do, it is wise to recall the lessons of the LoA as you do it. Keep positive thoughts in mind; and focus on finding a new, suitable partner, rather than grieving endlessly with the thought that you will never recover what is hopelessly lost