that's perfectly normal because your human. But try to think of all the things you have. Like I said its normal your human.
Refuse to dwell on negative, envy-arousing thoughts.
Imagine yourself in a situation that just makes your blood boil. How can you ‘keep calm to the last’? You might first try the age-old advice to ‘count to ten’—or to whatever number it takes for you to settle down.