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.
At what age can a child: 1  stay home alone - it is an offence to leave a child aged under 14 without reasonable supervision. Generally the law allows parents to leave a young person without supervision from age 14.  choose to leave home - at age 16 a young person can leave home without their parents' consent.