You have to give him time don’t force it on him let him make his own decisions and maybe he will be with you but you can’t force him into it. :)
It’s called weight fluctuation. you physically can not gain weight in one day. you only gain weight by consuming more calories than your general caloric intake. for example, the basic calorie intake is 2000 calories a day. you would have to eat well over 2000 calories in one day to gain weight, successfully.
Answer: Physical Education is "education through the physical". It aims to develop students' physical competence and knowledge of movement and safety, and their ability to use these to perform in a wide range of activities associated with the development of an active and healthy lifestyle.
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