Sorry, just saw the post from Kevin that hit while I was posting the last thing. I feel like we learn a lot from "almost crashes" and real crashes. I've been lucky to save a few helis before.
One thing that helped me is the setting on RF that let's the helicopter malfunction. It helped me to prepare for anything that could happen. Plus the walkeras I had and Blade helis would fail a lot for no reason and that taught me a lot. Glad no one was hurt in the situation with Kevin though.