It was cold blooded ... but on the other hand, it didn't seem that Teddy was taking him serious before. Seriously, what did you expect someone to do when you take 73 mil from them?

I wouldn't blame V for leaving, if for no other reason, because he's reached a point of no return after she gave him a suggested way out of this. I don't see a scenario where he just happens to get the money back and things go back to normal