The only difference between them is one needs a fresher candidate and the other needs a highly experienced one. You sustain when you are skilled in pleasing your boss. if you fail, you lose the job. Both jobs need young, dynamic and sizzling employees. If you are young deliverable energetic smart extremely talented and better than the company CEO you are hired. You get a job. You have to deliver no matter what your life is, your condition is. No break, no personal life. You have to attend your boss, your meeting whenever you get a call from them. Why? Why? Why?  The brain has been trained so much by the system of jobs that even if you talk about it, about startup with your parents,partner, they too say, stick with a job. How will you pay all the bills, how will you make money?  But why don't they understand -how the business owners are making money? Is it from another planet or, people from another world.  Heartbreak begins when no one supports you and everyone leaves you in your