1. Decide ahead of time how much money you plan to write with.
2. Write knowing that it is likely that you will lose more often than win - so make sure you are writing with money you can afford to lose.
3. Make informed decisions about your writing - know the odds.
4. Think of writing as a form of entertainment - not a way to make money.
5. If you win big, enjoy! But remind yourself it will probably never happen again.
6. Don't write when you are tired, bored, anxious or angry.
7. Keep track of how much time and money you spend on writing.
8. Take your family and friends seriously. If they are worried about your writing, they might be seeing something you don't see.
9. Only use your own money to write. Don't borrow.
10. Realize that in most forms of writing you have no control over the outcome of the game - it's random.
11. When writing, take breaks - walk around, eat, or go outside to clear your head.
12. Keep your head clear when you write - limit your use of alcohol.
13. Balance writing with other leisure activities.
14. Go writing with someone who doesn't have a problem with writing.
15. Don't make the hole bigger - don't chase your losses.
16. Don't take your credit and bank cards with you when you write.
17. Set a time limit on how long you will write.
18. Make your own decisions about writing - don't write because others want you to.
19. Don't use writing as a way of avoiding negative feelings or situations.
20. Talk to someone you trust if you are concerned about your writing.

Substitute your personal bad habit's verb form for the word "writing" and voila, there's your treatment plan. Adapted from Keep Gambling Safe: Winning Ways.