One of the more difficult things for rational men to do is to invest when the most opportune time exists.
It is far easier to invest when "everybody is doing it."
They say that hindsight is 20:20. While that statement appears to be true, a more applicable statement might be, "chance favors the bold."
Over the last 5 years I have seen my investment in bitcoin, at first, and other cryptocurrencies, soar from 50 fold to now about 30 fold.
Discipline by buying and holding during ALL market conditions is what has led to this windfall.
You can do it to. All you have to do is commit to a regular purchase and hold it.