The better trained you and, and the more aware of how to identify and how to react when an emergency occur's is key.
Don't let this get in your way of your dreams.
I have 400+ hrs, and so far I've gone through 2 radio failures. Knowing WHAT to do made the situation that much easier. All you do is take a deep breathe, and go through what you've learned, and you are one step closer to being that much better