Sometimes when we are making investment and turns out that it is not good, or turns out that it is a little way off, we should not play by our emotions and make a backup plan and improvise possible move to withstand losses. Because emotions will never help you. In this system, cryptocurrency should not be played lightly by our emotions, instead proper decision with the presence of mind is needed.
A good decision is the main reason of a successful investments. We must know that if we involved our emotions we put our investments at stake. So yes knowledge and presence of mind should work hand in hand.