If we can manage to hold our coins during bear season, it absolutely nothing we could lose but in the way that we should have to sacrifice sometimes for the seek that we can move our investment. As to know that holding isn't a guarantee to save from losing especially when we are holding those dead coins. better to sell them and re-invest into the other coin.
Yup, it all depends on what coins we hold, if it feels that the coin has no more potential to return, it's better to sell it because it will only add value to the loss if it continues to hold it. Unlike the top coins that we hold, to sell it definitely requires careful consideration, because usually the price will go up again.