Statistically.. yes, he would have. It is a common thread thru DV cases, that, oh, he tried to strangle me, he held me by my throat....
It was particularly ghastly, to see Gabby re -enact a very recent, ( and public, which goes to show how 'normal' it was for Brian to do this ) occasion where Brian had grabbed her face, a tremendous crossing of a boundary, under normal circumstances.
It was sad , too, to see it went right over the coppers head.
He went too far, this is unarguable, but not because he didn't want to. He wanted to, alright. He wanted her to know he had the reins, he had the control and he wanted her to see he had it, to look into his eyes and see who had the whip hand. He could have stopped. One's hands don't lock, like a bulldogs jaws, he had control over his own hands.
He wanted that ending. I don't think it 'healed' him, or ended his problem, which was genetic, inherent, but for a few seconds, he maybe felt a slight relief, that is, until the realisation of the consequences crept up on him.