There are very many reasons why a person does procrastinate. Let us examine just a few.
One reason may be that you don’t think to be competent enough for this task or duty. This can conduct a person to not beginning what should be done. And once this idea has come up, procrastination may become a long- term situation. It can last until the opportunity to carry out the task has gone. That means disappointment. Just to start with. The person may think that next time they will really do the job and then, maybe, they feel again incompetent. And nothing will be done.
Read more on Why Do I Procrastinate? Learning Time Management…