Just recognize the reason why you are saying "Um" all the time, since there is properly a good reason for it. "Um"s are awkward, replacing them with a few seconds of silence isn't - oftentimes, it actually helps keep the audience focused.
Just recognize the reason why you are saying "Um" all the time, since there is properly a good reason for it. "Um"s are awkward, replacing them with a few seconds of silence isn't - oftentimes, it actually helps keep the audience focused.