And this is the reason why planing for long term investment is one of the unique quality of a good investor because if you hold a starch of Bitcoin for long term you will surely recover all the lost incur during the dip and still maximum your profit in the future.
Irrespective of any circumstances a good investor is always patience and perseverance and will always tend to sustain his investment for long term.
The believe in bitcoin is the main reason to invest in a long time. There are times that the price drop for correction and in fear those who are weak hodlers will sell off causing the price to further drop to the advantage of whales who will set the DCA order and begin to accumulate more. The point to bitcoin investment is to know your exit point though because while the rise, you also need to have a realistic point and target that you want to refill or exit.