As long as we keep on investing on Bitcoin. And trusting our funds to it, bitcoin will never end. Bitcoin stays atop because we still believe and supporting on it. Once we draw our backs from bitcoin, then it will probably shutdown.
We as the user and investor of bitcoin, it is in our hands on how we are going to keep this for a lifetime, and since we are million of people using bitcoin nowadays I think that it will never end, after seeing its best and worst part still we are here supporting this kind of innovation.