It turns out you DO have the self-discipline

"We all have dreams. But in order to make dreams come into reality, it takes an awful lot of determination, dedications, self-discipline and effort. ". Jesse Owens

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There is something you do without even noticing, and most people response is "I don't know how you manage to do that every day", or "why bother, no one will notice".

Well, that something is a discipline, and in fact, you probably have lots of them. Things that you insist on doing because you know it's the right thing to do.

So yes, it turns out that you do have the self-discipline required to achieve that thing that you have always wanted to achieve, so you might as well get started....

No personal success, achievement, or goal, can be realized without self-discipline.