No, reread the analogy. The tendency is to sell in fear on dips, then never get back on in time because it doesn't pull back to where you had expected, or it did and you're not quick enough. Been there, done that...it stinks.
You're right, there is always another train, but all trains don't make it out of the station. Plus, you have to be disciplined to stay on the train (if you flip, at least set aside some long term). Mesa has started to move, but it is still in the station. The engine is running.
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