Question

what is the main reason of increasing Strees

Answer 1

Causes of stress. The situations and pressures that cause stress are known as stressors. We usually think of stressors as being negative, such as an exhausting work schedule or a rocky relationship. However, anything that puts high demands on you can be stressful.

Answer 2

I think "Death of a loved one" is the main reason of increasing stress..
Or
Lost of Job