I've seen it claimed that one of the greatest fears that most people have is speaking before a group. I imagine that most assistant professors have this problem, but after many years of giving lectures before several hundred students it goes away. In fact, lecturing can become downright addictive (as my family often reminds me.) As the mathematician R. H. Bing once said: \When I was young, I would rather give a lecture on mathematics than listen to one. Now that I am older and more mature I would rather give two lectures on mathematics than listen to one." Giving lectures is a bit like eating oysters
