I think that you're being emotional and shouldn't invest at all if you can't handle massive red candles. Selling now is like buying at >15k. Now is not the time to sell, but to keep cost averaging in.
There is no guarantee that bitcoin will really bounce back one day . I believe it will, but I am totally unqualified.
Putting more money is foolish, if you already put all the money you have reserved for high risk assets.
In past it bounced from much lower marketcap, much lower media attention, much lower infrastructure (exchanges, media, wallets, ATMs, stores that accept etc).
It's not certain that it will ever reach 10k again. I believe it will, as everyone here. But how much are you willing to bet that it will? That's he point.