A few thousand hands later.
I'm feeling really confident now that the downswing in the beginning of the graph was just a negative variance, I'm not sure why the red line is declining so heavily in the beginning though, don't feel like I've increased my aggression in 3bet pots. Anyway I'm confident that its possible to be winning $$$ while facing 3bets. But who knows maybe 82K hands isn't enough...
Could have never imagined that it's possible to be breaking even for 82K hands at 2NL.