based on a article at psychologytoday

1. Identify the habits you want to change.

2. Look at what you are getting out of it.

3. Honor the wisdom of healthier choice

4. Choose something to replace the unhealthy habit. 

5. Remove triggers

6. Visualize yourself changing.

7. Monitor your negative self-talk.

8. Take baby steps, if necessary.

9. Accept that you will sometimes falter.

10. Know that it will take time.