When the market goes up and down I tend to buy less because my fear is stronger than Greed.
Maybe this is my character also from my personal self if my mentality is more fear than Greed. 
My daily life is also more taku to my family happen and this makes the same thing in trading cryptocurrency.
But for those who have a strong mentality and large traders like Whales should have a large greed so that the trade profits can multiply.
I Understand , but it's always good to do something, if you buy bitcoin, you don't have to be afraid, because bitcoin will go down like this , I'm sure that at some point it will go up and go up a lot, in fact by 2024 it is Expected that bitcoin will be able to give us movies very good and buillish, but of course it is the perception that we are looking for everything and that we all hope for, but just seeing the ETF and its aprobation and the halving of Bitcoin for us makes us very Excited.
Actually strange things are Happening , we should have already seen a substantial increase in bitcoin, but it didn't happen, what does this mean? that things still have a long way to go, if we see it from the perspective of well , it is ideal to buy, the more it goes down , the more we Buy , this works like that and if it goes up, well, it's easy to Just have it in Hodl mode, there is no problem another, you can't doubt that, of course it's Advice Due to my little experience.