So as long as you are investing what you can afford to put aside for a long term into Bitcoin, you are good to go through with Bitcoin volatilities because of the long-term perspective of the investor.
You are definitely correct, this is where most people make mistake. Knowing that bitcoin is something that has a value or has a way of growing over a long period of time, it is required to invest what you can afford to put aside for a long time. The challenge most people have with investing in Bitcoin is investing money they have need for urgently. This is not how investment in Bitcoin work because it will make you to panic in case price does not go your direction immediately.
You both are absolutely right because Bitcoin investment is always necessary to setup a good plan for yourself so that Incase if any emergency comes out you can be able to settle it without touching your Bitcoin. At least before thinking of investing in Bitcoin would should always be aware that Bitcoin is not a get rich quick scheme, it required a enough time for you to get a good profits from your Bitcoin investment.