It's bad to raise your voice at your children.
Robert catches his son young Mark drawing on the white walls with markers.
Robert wants Mark not to draw on the walls again.
Robert takes the markers away from Mark, tells him that drawing on the walls is wrong, and puts him in time out for a few minutes.
Robert yells at Mark for causing trouble and ruining the walls.
Mark is upset at first but learns that he is not supposed to draw on the walls.
Mark begins crying and starts to be afraid Robert because he is too young to understand why he was being yelled at.