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.
When deciding whether or not to leave a child home alone, a parent should consider the child's age. Many experts believe that a children should be at least 12 years of age before they are allowed to stay home alone. Experts also believe that children should be over the age of 15 before caring for a younger sibling.