D, That is the recommended exercise time by NIH/NHS
So you won't sprain any muscles or hurt yourself.
Answer: Be organized and understand what you want to do and what you can do
Explanation:
Schedule your time in a way where you are satisfied and you can achieve with ease, don't make your schedule what you want to achieve and be successful with, schedule with things that you can do, don't do more than you can handle.
If the parents are less stressed because of there life experience? and it would be like being raised by your grandparents. if they are less strict on there children because of this factor?
vitamin k helps with blood clots