You have an important exam next week and are very worried about it. what should you do to ease the stress?

Spend less time on optional activities and study for a while each day.

You did not show us the image of the burger, but i shall try to answer as best i can.  when purchasing food, always consider the ingredients as well as the person who prepared it. consider if they were hygienic people or not, in case the burger was infected with bacteria. no mortal should place an infected burger into their mouth.