1. Fear and Greed: Bitcoin investors are susceptible to bouts of fear and greed. Fear can lead to panic selling during price dips, while greed might result in FOMO (Fear of Missing Out) buying at peak prices
For me, among the list, this is the most common. A lot of people can relate here especially those new people and even those other people who have been in the market for a long time. But some people are already immune here and already know what to do if times like this will come.