Why does the "perfect support" in your eyes become a "cash machine" in the eyes of institutions?

Why does the market immediately move in your original direction right after you cut your losses?
Because institutions want to take out your stop-loss to smoothly execute their large orders.
Retail traders stubbornly stick to the rules, but institutions have long learned how to exploit those rules.
Learn to think like "smart money":
Understanding liquidity is the key to seeing through all the traps.