Obviously, it varies with the maturity level of the kids. I have a daughter so that makes quite a bit of difference. She is mature and responsible and almost 16 and I still rarely leave her home alone.
If it were possible, would you subtract one kidney off of your body and add it to Ruth Bader Ginsburg’s body for, you know, her to have one extra kidney? If just 10,000 people did this, it would add 10,000 kidneys to her body which is like a lot.