I am very active (a runner) and eat healthy(minimal carbs). I have found that with the “blue” plan, most of my foods are zero points. I have fluctuated up and down, even with tracking diligently and lots of exercise. I just can’t seem to get my weight to go down (would like to lose about 25 pounds). Don’t get me wrong, I lost weight with WW last year on blue and then fell off the tracking, and this year, it’s not working. I was considering switching to purple. Any advice?