What goes through a person's mind at a moment when success or failure depends upon them?

That person would feel pressure on their shoulders from people depending on them.  I think they would feel like the weight of the world was on top of them.  They would probably feel very tense and as if everyone was watching them.  When people are faced with that challenge, I think that they should have fun and do their best because no one can be mad at you for doing your best.