Please help me I Afraid to get a job?

I am 36 years old, since dec 2008 I have changed 5 jobs, first job I worked for 3 months and resigned due to low pay, 2nd job I got fired after working for one month, 3rd job I worked for one year and resigned as I argued with boss ( i did not take blame for his brothers mistake) and resigned, 4th job worked for 2 months and resigned for it was technical job and I was accountant, 5th job worked for just a week and resigned for the company was total mess and disorganized now I want a new job and i have financial problems, but i am really afraid to find new job that i cannot handle the work stress, afraid of getting scolded and fired. What;s wrong with me? please help me out to find my courage......