Personally I would sell what I'd call the "FOMO holding" once it's worth a "life changing" amount of money. So if I held 100 Bitcoin as such a fund, that might

Personally I would sell what I'd call the "FOMO holding" once it's worth a "life changing" amount of money. So if I held 100 Bitcoin as such a fund, that might well have been years ago, but then I'd also be retired and not care. The sister comment here is more nuanced and surely a better answer, though.