[Harv72b]

You're playing too tightly. Even just playing an autopilot ABC multitabler's game should net you a VPIP in the 16-17 range, but playing a solid game which includes using your position, stealing blinds, and isolating on weak opponents will push it closer to 19-20. This is the kind of game that you should be aiming for (and I'm sure the 6max experience helped in that regard, but if that has impacted your last 8k hands, that just reinforces how far you have to go).

Blind stealing & blind defenses. It's not a crucial skill to have at the 2/4 level, as evidenced by the fact that you're ekeing out a slight positive WR, but it will definitely help your game (and is crucial on higher limits and in 6max). Use your PT stats with a tool like PA Hud so you can recognize which of your opponents are more likely to openraise a marginal or even weak hand from LP, as well as which opponents are more likely to fold their blind to an LP raise. I honestly believe that with even decent blind steal/defense skills, that alone will improve your WR to well over 1 BB/100.

Your WtSD & WwSF are both a little low, but your W$SD is right around where it should be. This does indicate that you're running a little cold over this sample.

Considering how little you are attempting to steal the blinds, your PFR looks very healthy. But it should climb higher as you attempt more steals...somewhere in the 11-12 range, probably.

Your postflop aggression looks good, perhaps a touch overaggressive (but the by street pattern is good, showing that you are letting up your aggression well as you hit the big streets). I think part of your high aggression comes from making too many postflop folds, especially on the river--it's a very common problem, just learn to recognize when it's okay to peel a street or two with UI overcards or a gutshot draw or something, and when it's okay to call a river bet with less than top pair.

Honestly, with the exception of the low VPIP & blind steal situations, your game looks pretty strong based on these stats. A few minor tweaks to make postflop (as there always are), but overall good. Improve on those steals, and as the cards get a bit hotter for you that WR will go up nicely.