Oh my god look at that coin mooning, I gotta buy it, I'm missing out on a golden oppurtunity...
$$$$BUY$$$$

Oh my....where did all the buyers go?  Is the price dropping? Why is no one buying...Im losing all this money..how is it lower still?  Omg I gotta just get out before I lose everything...
$$$SELL$$$)

Omg of course its turning back up the very second i hit sell.....


Greed and fear are what made you decide because you didn't have a planned entry and exit targeted at a reasonable profit point, in an appropriate time frame, with stops set to mitigate risk.