Re-read the Greats
Among all that U have read, condense the best and re-read those books. U have a lot of insight left to gain from the best books U've read. U've read certain books a half dozen times and found something new each reading.
It takes time to decrypt all the information the best authors have condensed into their manuscripts. Trust that U haven't fathomed their depths. Bore into those books. Become the world's foremost expert in the contents of the best books.