Never let the deserters an entry back into your life. They are the same people who left you during your most challenging time.
You may think they have changed. But, if that were the case, they would not have wanted to come back to you due to the realization of their shameful behavior.
They seek entry back into your life because they lack self-respect and self-worth and want to use you to fulfill their needs like love or maybe financial.
They are incapable of loving you back. Please don’t give in to the foolish thought of giving them another chance. Haven’t you given them enough chances already?