You can try to use DCA for bitcoin investment. People that buy bitcoin now will reap the profit but it could take some months free the next halving.
This period is just like 2018 when the whole year was not favoring bitcoin and cryptocurrencies in general, so this bear market has never been a surprise for people that know about bitcoin price history.
Bitcoin has dropped significantly, holding some amount of bitcoin now will be profitable in long term.
Think Bitcoin has lost its bullish momentum? It feels like now continuing to hold BTC is pointless ...
You should not expect the price of bitcoin to always increase, a bear market is an hope for people that have not invested before to be able to invest in bitcoin at low price.