You can tell a person has stress through these physical signs: "Headaches, diarrhea, constipation, and nausea." There is also high blood pressure but it's not exactly physical stress causes your heart to pump blood fast and when the blood get's pushed up against your artery walls it would cause high blood pressure which sometimes causes nose bleeds.
they committed a criminal offence and them 'having fun' isnt a justifiable excuse leading to a reduced sentence. they should be punished for the expected serving time
