Do you realise that you get stuck in a default rate of speech? When you speak at the same pace, whether slow, fast or at a regular speed, what happens is you start to sound monotonous, even if you're talking about something interesting. That's why if you want to become more charismatic and enthusiastic when you speak, you need to vary your rate of speech. Sometimes you speak slow and sometimes you speak fast. The rule I follow is that when you're speaking about something very important, you slow