I believe only the money I withdraw from the exchange is what I win. Then ones in exchange are all my loss.

It is very strict, I know. While, it is the first we need to think before we invest, identify the risks. What if you lose all your coins? Nothing will worse than lose all, right? We can still support our live even we lose all. Then, do analyze, treat, monitor and review the risks.

Risk management is important. We need to know what we can lose before every start.