That is pretty much a good summary of Brax. I haven't watched Home & Away that long and know where near as long as everyone else on this forum, so I don't know much about the character. But from what I seen so far, he engaging in too much criminal activity, but sometimes I think there must be a good Brax somewhere. I think may be he does truly love Charlie but Charlie needs to be careful of Brax's bad side because he can be very manipulative and tries to make a very convincing lair.
I agree I think Charlie is setting herself up for a fall and it wont be pretty when it does happen because I cant see her not waking up to how Brax really is. He is manipulative but I do believe that he is actually falling for Charlie.