This is why we have religions and/or spiritual beliefs.
Coors Banquet beer, mostly.
Also, activities that offer the opportunity for continual learning and improvement are helpful, because it gives you a sense of purpose and enjoyment. If they are beneficial to others, even better.
Stress is a mental reaction to stimuli. Don't let things get to you and you won't have stress to deal with. This is of course related to stress not related to physical stress such as heavy lifting and such.
TL:DR Be optimistic instead of a pessimist or realist.
Wise words.