Riding the waves of succes and never getting burned is how you are going to last long and win.
As long as everyone does the polar opposite of what their little monkey brains are screaming at them, they'll come out on top. That's where the stone cold part comes in. Once you've removed emotion from the equation then it all opens up. I haven't managed this of course.
Quite often I noticed it's trades that only an apparent total retard would make that turn out to be the big winners. If the whole community is shouting that it's time to to sell it's the best time to buy, and vice versa,