$1000 eff. V is a young aggro guy. He's not superhorrible but has big leaks: stations too much postflop with weak holdings, barrels too much, doesn't understand relative strength of his hand vs opponent's range, stacks off with overpairs deepish. He does have a fold button when he faces resistance.

10 mins ago, I opened to $40 in a straddled pot, he 3b me on the button to $100, got 4-bet to $220 by someone else and quickly folded complaining that he just wanted to take me down. So I know he can be light on the button.

I open to $20 in MP1 with AJs he makes it $70 OTB. I 4-bet to $280.