In trading, prices are in constant motion, nothing begins until you decide it should, it lasts as long as you want, and it doesn’t end until you want it to be over. Regardless of what you may have planned or wanted to do, any number of psychological factors can come into play, causing you to become distracted, change your mind, become scared or overconfident: in other words, causing you to behave in ways that are erratic and unintended.
