If you buy ETH for $3000, and then it goes up to $3500, and you're very happy, Then the ETH continued to rise, rising to $4,000, and you were happier. But soon the ETH droppedfrom $4,000 to $3,500. At this point you were angry, and you regretted not selling at $4,000 because you would have made an extra $500 in that way. The same 3500, but your mindset changed. ETH is still the same ETH that will rise to $5,000. This has not changed.What changes is your mind. lf the mindset is not correct, th...