Whats next? Hard to say.
Resource your strong determination, concentration and neutrality.
Practice Daily: Ideally with a dash of 1, 2 and mostly 3 if you are to that level and ability. Otherwise, spend an hour with meditation 1 or 2. They need adequate development.
When ready, sit for a long undetermined duration. “Negative” sensations are needed to strengthen and tune neutrality. Consider the perspective that they are a gift.
Ponder: What is permanent?