ER doctors must deal with some patients who abuse the medical system like those repeatedly seeking emergency care for chronic issues and also drug seekers.
Anesthesiologists deal with demanding surgeons and stressed out OR staff.
The strength of any individual is their tolerance and patience level.
How much you become tolerant and add patience into you it will change the graph of your life.
I am also very much fond of music and whenever i get a chance i sang. And see I am not only a singer.
Struggle for whatever you want to become but never compromise self respect and you will achieve the best career industry.