It is a good feeling to write a line with confidence, so much confidence that you want to write it twice. The problem is, in most cases, a reader gets your point right away. Twice is not nice and more is just more.
Here is an example. “When she saw the shadow on the wall, her breathing stopped and she began to shiver. She was terrified. “ Here is the same line, written two different ways and written better the first time. The second line is an attempt to drive the first one home. It is already there.
