Mining will keep going as long as there's interest even if it's not profitable to mine. Maybe something better comes along to replace crypto in the future.
The "happy" medium is when you don't put in more than you can afford to lose then you will not panic or be too worried and be able to think things more clearly.
It's the price someone is willing to sell and buy at. That is how the market balances out, it could be below ICO price or above it depends on the market.