The truth is that if you are in control you win all the time without losing. This can only possible in a Perfect World where you actually know things ahead of time and have control over them.
A perfect world exists but is often denied by those living in the imperfect world. It's a World ruled by the CREATOR of all things,and it exists on Earth.
Yes, it is impossible to always get only profit. This is very often out of your control, especially during a crypto crisis like this. I also lost a fairly large amount, I had a plan and it did not help me. I'm thinking of leaving all my assets before the end of the crypto winter, this is my only new plan right now.
No, it is possible to make profit without loss in trading, there are professional traders who take their time to make good research, check the market history and go through trading charts, signals before they start trading, they gather good report and they ensure that the market is stable before they begin trading these group of people are know as expert traders their profit may be small but they don't loose in trading.