Cendrine, I usually try to keep my calories 750-1000 below maintenance calories, and I use Fitbit and My Fitness Pal to figure out and keep track of my calories. I try to keep my protein over 100g/day (to conserve muscle mass), soluble fiber above 10g/day, and saturated fat to under 7% of my calories (because of my cholesterol levels). I try to avoid red meat (because of saturated fat), usually eat oatmeal for breakfast (for soluble fiber), and sometimes supplement with protein powder. I just changed my calorie goal to maintenance calories for the rest of the year, but the rest of the goals (protein, fiber, etc.) still apply.
I did low impact RWH 2 today. I feel like the moves were a little easier for me than low impact RWH 1. I paused the DVD about 2 times because I needed a slightly longer breather. I also did bonus abs 2. I'll have to work up to some of the moves - like I had to substitute crunches for sit-ups. Overall I really liked both workouts.