That's the reality, once there are winners or gaining in trading, some were crying because they lose in trading, which is the sad truth in trading, so if you really don't know what you are doing, other people can manipulate your mind especially those who are whales, they can easily think how you are thinking. Also in crypto, there are just different with what you are trading at but also the concept is same. So, learn, learn, learn everyday to earn later.
About manipulation and whales in forex trading, the whales are not necessarily individuals.
The whale in forex trading are usually the banks that have huge some if money that they can put into trade in a particular direct which can change the dynamics of demand therefore, causing huge movement and either rising or falling price.