you gotta sell and find a new floor after a reasonable time.
Suit yourself. In a chaotic inscrutable market, the only consistent indicator being an 8-year bull run amounting to something like a 100,000-bagger, the only rational trade is to buy and hodl.
Did you hold through all the bubbles you have witnessed? How do you cope with that? Is the fear of it going to Neptune without you higher than it going back to earth?