It's your emotion trying to play a fast one on you by making you think you can save what should be allowed to go. We run away from certain stuff so we can live to fight another day and tell a better story. I've been caught in this same line of action in the past. Now I realize that nothing beats Stop Loss. Dollar Cost Averaging is great too and I've nothing against it. However, it shouldn't be a replacement for SL. Both don't work the same thing and purpose. Sometimes, it's good to call it quits with a losing asset and move on instead of stubbornly clinging to it all in the name of averaging down. Cut your loss short and move on.