Does a strategy that works for the rest of your life really exist?

that methode is called guessing,
all of us do that once in a while.

after all tech and fundamental, we still can't / shouldn't have 100% confidence. we fill the gap with faith and "luck"

i found that timing is more important than buy/sell

Thank you for all your answers. Maybe ten years later, I will tell you there are something that never change in forex market, at least in ten years, and you can make pips from it, as easy as pick up apples from your apple trees.

Good luck everyone.