Hold during a bull market. If you sell, you might lose your position where you may never regain again. Like Bitcoin at $1000 in the beginning of 2017. Now, in a bear market if your able to sell early, you may be able to let the market correct far enough so you can pick a new position at a much cheaper price. If you try to sell too late at near bottom prices, then you might also lose your opportunity so it's better to Hodl. It all comes with experience so practice now.
Right, nobody wants to be a loser. It is better to hold the coins now and wait for the time when the market will recover and crypto will start growing up than to sell everything now and lose really a lot.
There're many ways to deal with this problem, as you continue to wait will give you a lot of risk in the investment. Try to think if the value of the crypto that you have invested continues to decrease, do you have the courage to keep it and accept a worthless investment in the future? Instead, look carefully at everything. Think of other alternatives that can help you make the same amount of money you spent on crypto, it's better than just waiting for a miracle.
If you will hold your bitcoin, then there's a chance that the market price will increase and you'll be able to gain more money if you will sell your btc in a high value then you will earn more. in btc, patience is what you you have a mostly need when you have a bitcoin. Be patient and a good reward might come.