3,500 calories = 1 pound, so 3,500 would be the answer.
Answer: True, simply rotating the toys your children play with won't magically make your home a spotless haven, but it will lessen clutter and make clean-up time much easier. Children will also be less overstimulated and be encouraged to play more creatively with the toys that are within their reach.
Lifting things that are too heavy... pushing too hard. Flexing out, and I think doing this specific workout for your stomach too much.
Emotional, Financial, Intellectual, Vocational, Social, Physical, Environmental, Spiritual,