Saw this on a DM's blog but I think it's useful for keeping on track with general writing as well:

Scoring Sheet:
Productivity

Write 1000 words = 4 points
Doing it without interruption = 8 points
Each additional 500 words = 4 points
Sans interruption = 8 points
Completing a significant work-related task = 2 points
Sans interruption = 4 points

Health – Exercise

Exercise 30 minutes = 4 points
In one session = 8 points
For each additional 30 minutes of exercise = 8 points
Exercise with family for at least 30 minutes = 8 points
Picking Bike over Car = 4 points each time

Health – Diet

Current “No” food: Candy, Fries, Beer

Eat under my daily Calorie budget = 8 points
Doing so without any “No Food” = 16 points
Each fruits/veggies portion of a meal = 2 points
Enter meal in My Fitness Pal = 2 points

Health – Family Life

Each hour spent with family members= 4 points
Each unbroken promise (to myself or family) = 4 points
Perform housekeeping task = 8 points