What is disheartening is proof that there is no investment ability

The word dismay also exists in the investment world, but this is proof that expectations are weak at the point of dismay. Investing is the process of making all kinds of unexpected things within expectations. If you don't understand this, you won't be someone who can keep winning forever, so you should be keenly aware of your own sweetness when you're upset. If this goes away, we'll be able to win.