Panic does not solve problems
From the moment you start flying you find things are always going wrong. It's almost as if the people who are training you are trying to kill you. And many of us have gambled our houses and well paid former careers betting that not only could we learn enough to pass the exams but that we could also push the right buttons when it counted. so those of a nervous disposition get rooted out very early on in training process with a few more falling when they join an airline. When things go wrong yes you do get concerned, yes you do get stressed but most of us manage "to do nothing very quickly". That gives us a few seconds to think, confirm the problem and then to start the process of dealing with it. Also, most emergencies, engine fires included, do not require anything to be done quickly anyway. There are only a few things that require an instant response. What is critical is firstly to keep flying the plane and secondly making sure you are pressing the right buttons.
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