I once read in a book about sales about a tall, well-built athletic guy who was in outside sales. His problem: whenever he walked into a prospect's office, he

I once read in a book about sales about a tall, well-built athletic guy who was in outside sales. His problem: whenever he walked into a prospect's office, he could detect fear just from his imposing presence. He solved this problem by arranging to stumble as he crossed the threshold, which effectively allayed the latent fear.