My trading experience has always involved emotions, sometimes it's good to be a little greedy, but mostly it fails due to hasty decisions. Usually emotions will make it difficult for traders to make the best decision to enter even though they are doing analysis, but in many cases emotions must also be present but cannot be put forward. The reason for the failure can be influenced by emotions, including panic at the sight of the dump.
Still, you shouldn't be afraid of emotion. Emotions provide adrenaline. Emotions keep life from becoming dull and boring. Just a little discipline and the situation will change for the better. What doesn't kill us makes us stronger. That's the truth.