carefully and scientifically I believe is the answer
Answer:You Better Hurry Up and Start
Number 83: If a Adult Tells You Not to Worry, and You Weren't Worried Before, You Better Hurry Up and Start, 'Cause You're Already Running Late.
Explanation:
It shows urgency. It creates an insistent tone. That is the main purpose of having exclamation points. It produces strength on a given sentence, statement and expression.