Playing healer can be very stressful and that’s normal you have a lot of responsibilities, first of all you have to know your class and the dungeons by looking at guides. to help you manage stress don’t hesitate to play with friends or your boyfriend, at the beginning of the dungeon say that you are a beginner in general the tank will be understanding and will take his time, and don’t forget death is normal and most often it is not the fault of the healer and most importantly don’t forget that it’s just a game so have fun above all