By closing the "Door", it seems you would just be developing yourself into a deeper hole of sorrow and misery for self pity of your personal issues.
While instead helping yourself out of the "hole" by keeping the door open, and ignoring the people who irritate and or have offended you in the past.
Each day is a new adventure, each minute is a new choice to a new future path, away from the old ways, and old headaches. <font color="orange"> </font>