Lunch Before Speech? Egads

On her Facebook wall, Cindy tells of a talk she’s about to give : “While I enjoy talking about my work to various community groups, I really hate the luncheon before part. And there’s always a luncheon. I’m afraid I’ll dribble butter down my blouse or spend a half an hour talking with spinach stuck between my teeth. ”

Question (for individuals who occasionally are asked to speak): What do you fear most before you actually begin talking?