Across the board you look too tight - defending your BB too tight, opening a little too tight from each position and not 3betting enough preflop.
Postflop again too tight. Your agg% is 28% which is way low, and your AF is 2.7 which is fine, but in combination with your agg% implies you are folding too much and neither calling nor betting postflop anywhere near enough. Chances are you are missing opportunities to both bluff and valuebet whilst getting bluffed often. This makes altering your preflop leaks a little risky - if you start 3betting more, especially from the blinds you may end up making frequent mistakes postflop when OOP in 3b pots.
There's a lot you can do. It might be worth building some standard preflop ranges if you know how to do this well, ie knowing what % you should be folding to 3bets, 4bets, 5bets, steals etc. Most effective is probably thinking about your postflop game - look through your hands and think about spots you're folding too much of your range, missing opportunities to bluff (eg when villain as PFR fails to Cb flop, you miss draws, turns and rivers hit your range far better than villains etc) and try putting villains on ranges. The Poker Guys on youtube have a tonne of hand reviews that might be a good and free start to thinking about villains ranges if you study these properly - pause after every decision made at the poker table, say out loud what your thoughts are about each players range then see what the guys say and if you were right/wrong etc and try to analyse why.
Another exercise you can do is every day, generate a random flop and pick some preflop action that takes us heads up to the flop - eg CO raises, BT calls or BT raises, BB 3bets, BT calls. Think a lot about the two ranges and try to work out which range hits the board better and which hits it worse. CrazyCookie on this site has a video series where he did something similar and doing this frequently, just spending a few minutes a day looking at 1 board will help you start thinking about situations where you have a range advantage so should be aggressive, or when villain has the advantage in which case you need to be more passive and really make sure your checking ranges are strong enough.