its true, CPR is hard hard work. Its both physically and emotionally exhasuting and sometimes you have to do it for 20-30 minutes and then go back to taking care of patients like you didnt just watch someone die and family lose a member.
first time I ever did cpr as a med student I remember thinking in my head THIS IS WAY HARDER IN REAL LIFE THAN ON A MANNEQUIN WHY AM I SWEATING SO MUCH STAYIN ALIVE STAYIN ALIVE AH AH AH AH