The most effective way to exercise for fat loss is to create a program that combines high-intensity and low-intensity exercise. Thatâs because each type of exercise promotes fat loss in different and complementary ways.
Since you asked, I do think it is odd that your grandchildren sleep with you if you have other accommodation available for them. Also, a nine-year-old should be able to bathe or shower alone. I would worry more about lack of independence at that age than anything improper, but at age 9 I would expect a boy to be more modest than you are describing.
Georgia, Illiniois, Maryland and Oregon are a few of the states with specific ages mentioned in their laws. Georgia law makes it pretty clear. Between the ages of 9 and 12, you can leave a child alone for up to two hours. Age 12 and up, no more than 12 hours at a time..