It's rude to yell at someone.
Sarah is driving to work but is stuck on a street corner by an old lady who is crossing the street very slowly.
Sarah wants to get to work as soon as possible.
Sarah asks the old lady if she can help her and ends up helping her to cross the street.
Sarah yells at the old lady and tells her to hurry up.
The old lady crosses the street much quicker with Sarah's help and feels uplifted and happy that someone was so nice to her.
The old lady hurries up but feels sad and a little scared.