OK, you know what it is, you know what he is. You know what you have to do.
You need to ask yourself why on earth you are staying really. It's harming you, your son and teaching him how to be a man. You don't want him todo this to your DIL do you?
i know I couldn't bear to watch if I saw my DS torture women the way his dad does.
AFAIK, the womans aid number doesn't show on your bill.
If you have a iPhone, Android or blackberry phone you can get an app that will find you a land line number and therefore it comes out of normal minute allocations www.skycomuk.com/0800wizard.php
Everyone's friends think their abusive X is wonderful... it's part of his islolation tactic, part of him making YOU look, mad, bad and horrid to him.
So what do you need? You need us to tell you how to keep living in that hell of a life? You need a pill, or counselling to accept that cruelty he is dishing out just because it gives him a hard-on?
No, sorry, can't do that. Drugs can't make this better, counselling can't cure this situation. You will only benefit from counselling when you have removed the source of the poison in your life.
Read the Lundy Book as soon as you can, it will show you how you need to understand that this is not your choice, not your choosing and nothing YOU can do to fix it. HE can fix it, but to do that he'd have to give up all his rights to power over you and that is not going to happen now is it?
You need to process this all in your mind, understand that no matter what YOU do, say think, eat, sleep or tell yourself, it will NEVER get any better, only WORSE. You need to get to the place where you know you have to put yourself and your DS first and you have to get away.
There is only one way out, and that is to GET OUT. THEN you will have all the meaningful support and help and guidance you will need to recover from this trauma you have been put through.