Send me a 30 min video of your play and I will go over it
You're more than likely missing out on an infinite number of spots because four tabling and also getting it in pretty bad a majority of the time. I imagine at the 1/2 way through point where you became desperate, your play began to suffer even more and because of the level your fundamentals are at, you were playing even worse over four tables.
You do have the volume going for you which is usually the biggest issue for players
fundamentals can always be fixed. Work ethic can't