Upward movements have always caused me "most pain" - It's kinda weird, but when the price drops just after I buy I feel like ("Whew, I still have time")

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but when price spikes, I feel a series of feelings that range from ... (" WOOHOOO! to the moon baby -sell a bit- umm, wait a sec, shouldn't there be a correction or something? -sell a bit more- OMFG! WHAT IF IT DOESN'T STOP??")  <- usually in that order.

At least that's how I feel about the portion of BTC that I choose to risk.

"Never risk more than you can afford to lose" cuts both ways I think.