What leads to procrastination?

Most social responses will center around laziness. The inertia to not move. The need to remain status quo. 

Most internal reflections will discover that it’s the world’s judgement of the output that scares people. 

If I do this now, it won’t change my image, as against doing it later. 

I have to do this now, else my image will change. No choice. 

Fear has led to more procrastination than laziness ever will