Chronic procrastination

I am 40 and I have never kept a job for more than 2 years. The average is 1 year. Now I am in grad school and I am inventing lie after lie to justify my delays. Every day passes extremely fast just trying to do something I can not start. I feel like I am pushing a membrane that is not letting me start doing what I need to do.

Something else is happening, I have lost track of time. Each segment of time is independent of the next one creating serious problems on time management thinking that there is always time to finish what I need to do (sometimes without starting it) and then reaching hours before the deadline and being now paralyzed by fear... then an idea of a story comes to my mind and I survive another one.

I need help. Somebody else has had this problem>