always try find the root cause of the panic. you are anxious bout something. and you are anxious bcz something bad is gonna happen or happened. and either u can't do anything bout it or can't predict the out come, hence u can't prepare yourself. so in such cases i would suggest try to fool the brain. think m ready. People always find the most of their strength and valor while standing at the edge. the roar they charge. So Hold your ground. like a bull