The crypto market can be crazy at times. But as you said, continuous building during the decline is the best way to be in a better position when the market eventually recovers.
And when they recover, taking profits at the peak can also be a huge barrier due to market sentiments and the hope that prices will still go up.
But I think after some time spent in building during the bear market we can be able to take profits at the right time without letting our sentiments eat up our gains.