Ask any high achiever what their secret is, statistically most include some variation of habits and routines. 

By doing this right you can be sure that it will have a massive impact on all areas of your life:

- Get your Blackbelt

- Become a Lawyer

- Earn a million dollars

Each thing you want to achieve is largely predicated on it.

BTW - Don't forget to flip it and kill the bad habits too!