If you want to develop deep understanding of how buyers and sellers interact in the stock market and use such understanding in an actionable way, the best resource I have found is The Arora Report. You can also look at money flows on a Bloomberg terminal.
You have to be self centered to not sell and help other people do well. Why are you against helping other people? You can make money from your system and help others at the same time.
57% is not good when everyone else (other than the people on this board) is making 200%. You are not even keeping up with the apes.
Ignore all the comments here. Believe that 'stonks only go up' add maximum leverage.