Hello Adorably, everything is getting very real and I'm not surprised you're having a bit of a wobble, but that's all it is, a wobble. You have done amazingly well to get this far so soon (just a few short weeks ago you were talking about maybe next year...) and now you are ready to go...and feeling bad about what you must do is entirely normal at this stage.
You are not betraying him, he has betrayed you, and your trust, over and over again. The reason for having the non-mol order is precisely because he almost certainly WON'T be "all right without them". They do feel aggressive and confrontational, but that's because HE is, and that's why you have to protect yourself - look what he did only last week when you said no, and every other time when he's done exactly what he wanted.
When he realises he has lost control of you completely who knows what he's capable of, I doubt he knows. He has obviously scared himself with his own behaviour, which is what all this compensating smothering is about.
On the basis of his behaviour to date, it is not going to be possible to serve him divorce papers and then expect that you will be able to cope being near him/in the same house (I assume the other one is an Occupation Order), and the solicitor knows that. The two orders together mean that you can feel safe in your own home or on your way to school/the shops/wherever. They mean that if he makes a nuisance of himself and you are scared then the police will come running, and you will not have to go through what happened last week, or worse, again.
The other thing these orders do is make it plain to him that you are not messing about - this is not you opening discussions about your relationship, this is you shutting the door on it.
I know it's hard, but he just isn't going to be reasonable about all of this - he's going to be whining, smothering, manipulative, accusing, vicious, threatening by turns. And this is going to be the first time you've ever been able to stand up to him, because with those orders you have the law on your side and a good solicitor right next to you.
Stay strong honey, hide under the duvet if you need to, but make that call first.
xx