Trading is not complicated once you have a good understanding of whatever your technical approach is to the markets. After that good understanding is achieved you will have reasonable expectations about where price can go and will rarely be surprised. However, trading can become difficult when you throw trading psychology in the mix. Positive trading psychology is the sum of your mindset, discipline, and patience. This is why it's the most fragile and significant portion of your bottom line. Listening to the great traders and reading about their stories it's often mentioned as the most important piece of the puzzle when it comes to long term & consistent returns. It requires inner reflection and a good amount of attention from time to time. I have run into one of these occasions as I have strayed from my bread and butter. I have nonetheless created a rule on my trading plan to save me from any future occasions.
