Gabriel,
Your post made me so sad for you. You sound like such a giving and goodhearted woman. I hope , like Ann, that you find happiness, with or without him. If he does not respect you, he does not deserve you.
you have our support. I think you spoke from the heart and if that letter does not reach him, nothing you can say will. You may have to move on, to find happiness, and peace for you and your child. you deserve it. You and your child should have happy days, without anger and tension.
hugs
chicory